lesson 10 2 algebraic representations of dilations
2 Perrino 2011-11-28 The Practice of Perioperative Transesophageal Echocardiography provides over 100 teaching cases ranging from the most common to the most challenging. Notes. For example, if the scale factor is k, the algebraic representation of the dilation is Answer: A'(-15, -12) _____________, Answer: A dilation of (x, y) (kx, ky) when 0 < k < 1 has what effect on the figure? Explain. Then write an algebraic rule to describe the dilation. Echocardiography technique, by 3.75 in. Triangle UVW has coordinates U(15, 9), V(6, 4.5), and W(18, -3). Question 3. Algebraic Representation Of Dialation | Lesson 2 22 | Cryptic Quiz Page 41 | Count Classify Furniture | Weeky Math Review Q32 | Memo Types | 3 Letter Notation | Math P3 | Inferencing 3 | The Arthritis Menace Reading Answer | R 10 8 | Fragments And Sentences | Nothing Details | Gina Wilson Answer Key | Statistics Grade 1 | Persuasive Language . Original perimeter: _________ (-4, 3) a. a = -3 Worksheets are Middle school math series course 2, Chapter 7, Algebraic representations of dilations, Algebraic representations of dilations, Conjectures. Multistep As with geometric figures, graphs can be transformed through translations, reflections, rotations, and dilations. 10cm 40 = 400cm 2/3x = 2 Lets find the ratio of length \(\frac{20}{400}\) = \(\frac{1}{20}\) To calculate the verticies of the image after dilation, we will use following rule: MNOP has vertices at M(4.5, 6), N(9, 6), O(9, 10.5), and P(4.5, 10.5). Thus Download Go Math Grade 8 Chapter 10 Transformations and Similarity Answer Key PDF and start your practice. F (3, 3) ratio of y-coordinates = 4/2 = 2 Triangle UVW has coordinates U(15, 9), V(6, 4.5), and W(18, -3). The division process is straightforward. If you draw a line connecting each pair of corresponding vertices, the lines will intersect at the center of dilation, Question 20. 715 Module 20 Lesson 2 Algebraic Representation of Dilation - Quiz Type below: _____________, Answer: Many students have loved the way of explanation given on Go Math Grade 8 Answer Key on our website. The stage crewmembers calculation is incorrect. Identify the sequence of transformations that will reflect a figure over the x-axis and then dilate it by a scale factor of 3. Type below: Some dilations are enlargements. Type below: Scale factor: ________, Question 9. 90 clockwise rotation, Question 12. coordinates for A Coordinates after dilation Answer: Type below: (show solution) Question 6 (request help) Critical Thinking A triangle has vertices A (-5, -4), B (2, 6), and C (4, -3). Go Math Grade 8 Answer Key Chapter 10 - CCSS Math Answers class problems. ABC(x,y) * (x,y. dilation with a scale factor of 0.5 lesson 10 2 algebraic representations of dilations 12th June 2022 . ALGEBRAIC REPRESENTATIONS OF DILATIONS WORKSHEET Problem 1 : The triangle PQR shown on the grid is the pre-image. c. What are the perimeter and area of the preimage? (-6, -1) a. Explanation: What are the coordinates of the vertices of the image after a dilation with the origin as its center and a scale factor of 1.5? Answer: HMH Into Math Grade 8 Module 2 Lesson 2 Answer Key Explore Dilations. Image perimeter: _________, Answer: c. (x, y) -> (x, -y); (x, y) -> (3x, y) View this Page Firstly, we will write the coordinates of the vertices of the preimage. (0, 4) 4), (3.-3)) -> C'(12, -9), Question 7. (5, 5) 2), (3.6)) -> B'(6, 18) Question 5. The center of dilation is the origin. What are the coordinates of the vertices of the image after a dilation with the origin as its center and a scale factor of 1.5? Performing dilations (video) | Dilations | Khan Academy The first one is done for you. b. When k is greater than 1, the dilation is an enlargement by the scale factor k. Texas Go Math Grade 8 Lesson 13.2 Independent Practice Answer Key, Question 5. Scale factor: _________ In the given expression, we can notice that the x and y coordinates are replaced and that the x coordinate changed its sign. C (7.5, 6) Options: Explain how this can happen. Critical Thinking A triangle has vertices A(-5, -4), B(2, 6), and C(4, -3). _____________. (0, 1) Type below: The backdrop scale factor is 1/20, not 1/12, Question 12. https://www.emathinstruction.com . Answer: (x, y) -> (1/5x, 1/5y), Question 10. Multiply each coordinate of the vertices of triangle ABC by \(\frac{1}{3}\) to find the vertices of the dilated image. (-1, -1) d. A rectangular room has coordinates Q(2, 2), 6(7, 2), S(7, 5), and T(2, 5) on the blueprint. lesson 10 2 algebraic representations of dilations class problems. BD/BD = 6/2 = 3 The drawing has sides measuring 6 cm, 8 cm, and 10 cm, and angles measuring 37, 53, and 90. D: (x, y) (\(\frac{1}{2}\)x, \(\frac{1}{2}\)y) 324, Algebraic Representations of Dilations Page No. G7 Math Lesson 10.2 Algebraic Representations of Dilations STUDY Flashcards Learn Write Spell Test PLAY Match Gravity algebraic expression Click card to see definition Click again to see term 1/15 Created by weiennlee TEACHER Terms in this set (15) algebraic expression dilation vertex (plural: vertices) (:vertices) 320, Algebraic Representations of Dilations Page No. Worksheets are Lodwlrqv3udfwlfh, Do not edit changes must be made through file info, Correctionkeyb transformations and similarity module 10, Graph the image of the figure using the transformation, Pre algebra, Lesson algebraic representations of transformations 9 4, Translations of shapes, Trainerinstructor notes . Transformations (including Dilations): 16.1 And 16.2 - Quizlet. Which transformation in part c will accomplish this? Question 12. _____________, Answer: (-2, 1) Translate the image 3 units down and 6 units right and dilate it by a factor of 2 A = (-4, 4), A = (-2, 2); Then write an algebraic rule to describe the dilation. Area = 64 square units, Explanation: Label each image with the h2W0P+-60rb X;; | The scale factor is the number that describes the change in size in a dilation Make sure that students bubble in their answers for the front page (#1-7) and the back page (#8-14). C = (-2, -4), C = (-1, -2); Type below: and the ratio of the y-coordinates of corresponding points The triangles have only one pair of congruent angles, Question 2. (2, -2) Rotate the drawing 180 around the origin. x = 2 . Type below: Apply each transformation to the image of the previous transformation. Question 6. Scale factor: _________ MN = \(\sqrt{(4.5)^{2}+(0)^{2}}\) A dilation can produce a larger figure (an enlargement) or a smaller figure (a reduction). This 8th-grade geometry guided notes and activity bundle is a great way for your students to learn about solving transformations, angle relationships, and 2d views of three-dimensional models! (3, 8) _____________. Quadrilateral MNPQ is the same shape but a different size than quadrilateral MNPQ. The scale factor k describes how much the figure is enlarged or reduced. Type below: b. B(2, 6) B'(3 2, 3 6) B'(6, 12) (2) Answer: List the coordinates of the vertices of the preimage in the first column of the table. Perimeter = 2l + 2w = 2(2) + 2(2) = 8 Type below: c. (12, 8), (4, 8), (12, 4), (4, 4) scale factor = 3, Explanation: 20.2 algebraic representations of dilations | Lumos Learning How does the dilation affect angle measures? 8th Grade Units - MS 442 - SCHOOL FOR INNOVATION (-2, 0) In Exercises 710, the transformation of a figure into its image is described. algebraic rule of the dilation: (x, y) -> (1/4x, 1/4y), Question 11. After dilation The position of the sketch from 12A will be 1/2 unit above the sketch obtained when the translation occurs first. A dilation with center (0, 0) and scale factor k is applied to a polygon. x = 3 You are here: Home 1 / Clearway in the Community 2 / Uncategorised 3 / lesson 10 2 algebraic representations of dilations. What are the coordinates? _____________, Answer: e. (x, y) (0.5x, 1.5y) The blueprints are plotted on a coordinate plane. The image is congruent to the original figure. ratio of y-coordinates = -4/-2 = 2, Question 2. What are the coordinates? A dilation of the square has vertices at (6, 6), (6, 6), (6, 6), and (6, 6). How does the dilation affect the length of line segments? c. The drawing has the hypotenuse on the bottom. A(1, 5) A'( 2 1, 2 5) A'(- 2,- 10) .. (1) Write the coordinates of the vertices of the preimage in the first column of the table. b. OL@6BxtiJZ7f)^H(pjl4.I`'Fq rm;`$PE\!0P{a!-;}])o1Y-f /PMM$4x*gv|DeF. |_]prV8!Q~~p a. d. The shorter leg of the drawing is currently on the left. Filled table is shown in the picture below. Type below: Quadrilateral MNPQ has side lengths of 15 mm, 24 mm, 21 mm, and 18 mm. 21/7 = 3 mm _____________, Explanation: Type below: All the explanations are given by the best online maths experts. Find the lengths of the sides of the actual sign. The figure is dilated by a scale factor of 5 and rotated 90 clockwise. hWKo@+{"eA"EmUQF &; q8|y<>&Bad One inch on the blueprint represents how many inches in the actual house? b. by cfelg. (x, y) ( x, -y) coordinates for B Explain. Answer: _____________, Answer: _____________, Answer: Yes; Quadrilateral DEFG is a dilation of quadrilateral DEFG. Algebraic Representations Of Dialations Worksheets - total of 8 printable worksheets available for this concept. Write two algebraic representations, one for the dilation to the green square and one for the dilation to the purple square. What are the coordinates of the new room? Unit 9 Review. Answer: Complete Lesson 9 4 Algebraic Representations Of Transformations Answer Key online with US Legal Forms. -6/-3 =2; 6/3 = 2 Answer: 10/4 = 2.5 The blueprints for a new house are scaled so that \(\frac{1}{4}\) inch equals 1 foot. Type below: (x, y) (2x, 2y) (x, y) -> (-x, y); (x, y) -> (x, 3y) (-1, -1) ratio of x-coordinates = ____________ Answer: Options: C (7.5, 6) _____________, Explanation: The actual building measures 400 feet long and 320 feet high. Multiply each coordinate of the vertices of rectangle QRST by 125% = \(\frac{125}{100}\) = \(\frac{5}{4}\) to find the vertices of the dilated image. (x, y) (x, 2y) Time Squared Activity: Each participant gets 3 pages with 24 squares representing the hours in a day. b. Area = ________ square units, Answer: Image perimeter: 32, Explanation: ADDITIONAL EXAMPLE 1. How would a dilation with scale factor 1 affect the preimage? The best learning comes with the best learning guide. ! " (1, -1) Lesson 16 - Combining Dilations (Notes, Key) 10. Rotate the image 90 counterclockwise and dilate it by a factor of 1/5. Go Math Grade 8 Answer Key Chapter 10 Transformations and Similarity Perimeter = ________ units *Click on Open button to open and print to worksheet. original coordinates Worksheets are Algebraic representations of dilations, Correctionkeyb transformations and similarity module 10, Lesson algebraic representations of transformations 9 4, Do not edit changes must be made through file info, Pre algebra, Graph the image of the figure using the transformation, Ixl skill alignment, Unit . 2 = 4. a. House dimensions: 25ft by 15ft, Question 10. 3x = 1 (x, y) -> (x, y+6) Section 10.3: Similar Figures. 325, Algebraic Representations of Dilations Lesson Check Page No. MN = 3, Now, let us determine the value of k, that is Graph the image of the figure using the transformation given. x = 3 Type below: Students use algebraic representations of dilations worksheet is a grid units. Type below: Question 1. The ratio of the lengths of the corresponding sides of triangle ABC and triangle ABC equals 2. The stage crewmembers calculation is incorrect. \(\frac{-\frac{1}{2}}{-2}=\frac{\frac{1}{2}}{2}=\frac{1}{4}\) Solve a + 7 = 2a 8. Type below: Explain. Perimeter = 2l + 2w = 2(8) + 2(8) = 32 (x, y) -> (-x, y); (x, y) -> (3x, 3y) and find the ratio of heigh: \(\frac{16}{320}\) = \(\frac{1}{20}\) A dilation can produce a larger figure or an enlargement or a smaller figure or a reduction. letter of the transformation applied. e. (x, y) (0.5x, 1.5y) The blue square ABCD is the preimage. D: (x, y) (\(\frac{1}{2}\)x, \(\frac{1}{2}\)y) x + 1 (-4, 2) Be the first person to grab Go Math Grade 8 Answer Key Chapter 10 Transformations and Similarity to score good marks in the exam. 16.1 Dilations Answer Key Identify the scale factor used in each dilation. The sides are proportional. What will the dimensions of the new room be, in feet, in the new house? _____________, Answer: Answer: _____________, Explanation: rotate 90counterclockwise, Question 4. (x, y) (\(\frac{2}{3}\)x, y) Write two algebraic representations, one for the dilation to the green square and one for the dilation to the purple square. 10 x 10 = 7 x 2 = 10 x 9 = 5 x 8 = 10 x 3 = How did you do? Type below: (x, y) (kx, ky) Multiply each coordinate of the vertices of ABC by 3 to find the vertices of the dilated image. lesson 10 2 algebraic representations of dilationsmercedes financial services phone numbermercedes financial services phone number New rectangular room should be 25% larger, so its 125% of previous value. The business owner would like it on the top. Your service title Give us a brief description of the service that you are promoting. A: (x, y) (-x, y) Justify Reasoning The graph of the line y = x is dilated by a scale factor of 3 and then translated up 5 units. area = l.w = 8 .8 = 64, Question 6. Type below: _____________, Answer: The triangle ABC shown on the grid is the pre-image. Type below: The arrow shown is the preimage. Algebraic Representations of Dilations You dilate a figure using the origin as the center of dilation. Grade 8 HMH Go Math - Answer Keys Answer keys Chapter 10 Question 7. Section 10.2: Algebraic Representation of Dilations. (-2, 2) Page 337: Study Guide Review: Module 10. Type below: Graph the image of each figure after a dilation with the origin as its center and the given scale factor. MN = \(\sqrt{(6-3)^{2}+(4-4)^{2}}\) Dilation is defined as a transformation that changes the size of a figure. (x, y) -> (x, -y) Type below: Type below: C: (x, y) (x 5, y 6) d. (x, y) -> (6x, 6y), Explanation: For 711, tell whether one figure is a dilation of the other or not. d = \(\sqrt{\left(x_{2}-x_{1}\right)^{2}+\left(y_{2}-y_{1}\right)^{2}}\) (0, 4) (-2, -2), Question 12. Type below: No; the dilation is not the same reversed, Explanation: Determine whether one figure is a dilation of the other. After dilation b. Mod20-2Notes. One inch on the blueprint represents how many inches in the actual house? 10.2 Algebraic Representations of Dilations - Quizizz Critical Thinking A dilation with center (0,0) and scale factor k is applied to a polygon. Play the following video lesson for your class: Dilation in Math: Definition & Meaning. 2a + a = 8 + 7 Write the algebraic representation of the dilation shown. Look at the coordinates of corresponding vertices. Original perimeter: _________ AB/AB = 2/4 = 1/2 PDF LESSON Algebraic Representations of Dilations 13-2 Practice and Problem y = -2x + 6 Type below: D: (x, y) (\(\frac{1}{2}\)x, \(\frac{1}{2}\)y) Sketch triangle ABC and ABC for the dilation (x, y) (-2x, -2y). c. (x, y) (x, 2y) Type below: (-4, 0), Question 4. x 2 The figure is reflected across the x-axis and dilated by a scale factor of 3. Question 6. Type below: You can use dilations when drawing or designing, Question 1. Type below: What is the algebraic representation of this dilation? Worksheet by kuta software llc. a. area = l.w = 2 . Emathinstruction Algebra 1 Unit 10 Answer Key. 1/3x = 1 Explain your reasoning. If the scale factor is greater than 1, the image is an enlargement. A stage crewmember writes (x, y) (\(\frac{1}{12}\)x, \(\frac{1}{12}\)y) to represent the dilation. The ratio of the lengths of the corresponding sides of triangle ABC and triangle ABC equals _______. Type below: The homeowner wants this room to be 25% larger. Test whether your answers are right or wrong with the help of the review test solutions. Depending on the scale factor, dilation may increase or decrease the starting object. Make a Conjecture When k is greater than 1, the dilation is an enlargement by the scale factor k. Question 5. ________. ratio of y-coordinates = 2/1 = 2 Critical Thinking MNOP has vertices at M'(3, 4), N'(6, 4), O'(6, 7), and P'(3, 7). (x, y) -> (x, -y); (x, y) -> (3x, 3y), Question 4. On a coordinate plane, triangle UVW has coordinates U(20, 12), V(8, 6), and W(24, -4). What is the scale factor in terms of inches to inches? What is the scale factor for the dilation? So, the scale factor is \(\frac{1}{20}\), and algebric rule of dilation is (x, y) (\(\frac{1}{20}\)x, \(\frac{1}{20}\)y) _____________, Answer: _____________, Answer: h24T0P044P06R Question 3. (2, 2) Type below: (show solution) FOCUS ON HIGHER ORDER THINKING Question 11 (request help) lesson 10 2 algebraic representations of dilations. Depending on the scale factor, dilation may increase or decrease the starting object. Options: If two figures are similar but not congruent, what do you know about the sequence of transformations used to create one from the other? lesson 10 2 algebraic representations of dilationsbsn sports track order numberbsn sports track order number (-1, -1) (4, 0) Dilate each figure with the origin as the center of dilation. Dilate the triangle with vertices of (2, 2), (4, 6), and (6, 2); a scale factor of 1/2, with the origin as the center of dilation. A designer creates a drawing of a triangular sign on centimeter grid paper for a new business. e. What are the dimensions of the new room, in inches, on the blueprint? 8th Grade Geometry Notes Teaching Resources | TPT A(-5, -4) A'(3 (-5), 3 (-4)) A'(-15, -12) (1) ______ units, Question 6. Answer: cfelg. In the given expression, we can notice that both coordinates changed its sign Considering the fact that positive and negative parts of both axis are spaced 180 apart, we can conclude that the algebraic transformation rotated a figure for 180. 0 = -1/3 . (3, 4) _____________, Answer: For scale factor k, the algebraic representation of the dilation is (x, y) (kx, ky). Algebraic Representations Of Dilations - Lesson Worksheets What are the vertices of the dilated image? Mathematics. Rotate the drawing 180 around the origin. 62 3099-5574 R. Quintino Bocaiva, 359, Centro - Anpolis/GO . algebraic rule: (x, y) -> (2/3x, 2/3y), Question 8. By, definition of a dilation in which it can only be enlarged or reduced with respect to the scale factor k between 0 and 1 or greater than 1, respectively, if the scale factor in the dilation is equal to 1, then the image would be the same as the preimage. Which equation does not represent a line with an x-intercept of 3? math -Grade 8 - Module 10- lesson 10- 2- Algebraic representation of translation 2 units left and 2 units up, Question 6. Answer: _____________, Answer: algebraic rule: (x, y) -> (1.5x, 1.5y), Question 3. Find the lengths of the sides of the actual sign. Question 1. Communicate Mathematical Ideas Explain what each of these algebraic transformations does to a figure. Page 333: Ready to Go On? lesson 10 2 algebraic representations of dilations. )ABC (-6, -1) A dilation takes a line not passing through the center of the dilation to a parallel line, and leaves a line passing through the center unchanged. Write the coordinates of some of the points on first graph: A(-2, 4), B(2, 4), C(0, -4), and on second graph: Answer: If the scale factor k is between 0 and 1 the image is a reduction. Represent Real-World Problems The blueprints for a new house are scaled so that \(\frac{1}{4}\) inch equals 1 foot. Question 9. a = 15/3 Write two algebraic representations, one for the dilation to the green square and one for the dilation to the purple square. If the dilation produce a larger figure the line segments of the dilated figure is longer than the original figure Also, if the dilation produce a smaller figure, the line segments of the dilated figure is smaller than the original figure. A'((3.-15), (3.-12)) -> A'(-15, -12) (1, -1). (9, 6), (3, 6), (9, 3), (3, 3), Question 2. 324, Algebraic Representations of Dilations Page No. 1. Example 10.2.1 Solve for in the equation . dilation by scale factor of 3 (x, y) -> (3x, 3y) A valuable lesson for a happy life (2:33 mins) After viewing this, the facilitator will ask the participants to identify the rocks, pebbles and sands in their life. D: (x, y) (\(\frac{1}{2}\)x, \(\frac{1}{2}\)y) (0, -4) Lesson Title: Transformations of Functions Part 2: Dilations Date:_____ Subject: Algebra I or Algebra II T. opic: Translations of Functions. algebraic geometry, and planet motion; furthermore the system REDLOG is demonstrated and the verification of geometric statements as well as the automated production of proof in Euclidean Geometry are present. 325. Scale factor = 2 The center of dilation is the origin. lesson 10 2 algebraic representations of dilations vertically stretches by a factor of 2, Question 12. c. y = \(\frac{2}{3}\)x 2 So, to have the best online maths practice, follow the questions, answers, and explanations available on Go Math Grade 8 Answer Key Chapter 10 Transformations and Similarity. (-2, 1) d. (x, y) -> (x, -y); (x, y) -> (3x, 3y), Answer: Save. _____________, Answer: LESSON 10-2 . The angle measures are the same A square on the coordinate plane has vertices at (2, 2), (2, 2), (2, 2), and (2, 2). For example, if the scale factor is "k", the algebraic representation of the dilation is For enlargements, k > 1 and for reductions, k MNOP has vertices at M(4.5, 6), N(9, 6), O(9, 10.5), and P(4.5, 10.5). c. (x, y) -> (3x, 3y) Question 9. What is the scale factor for the dilation? Question 7. Clifford Algebras - Daniel Klawitter 2014-10-29 After revising known representations of the group of Euclidean displacements f& Then apply the dilation (x, y) (\(\frac{3}{2}\)x, \(\frac{3}{2}\)y) and write the coordinates of the vertices of the image in the second column. x = 2 . y = 3x 1 _____________, Explanation: Answer: The scale factor of the dilation is 2. What is the length of a side of the image? _____________. Critical Thinking A dilation with center (0,0) and scale factor k is applied to a polygon. ratio of x-coordinates = -2/-1 = 2 _____________, Answer: (x, y) (y, -x) (-2.5, 2.5) Explanation: b. a = \(\frac{1}{3}\) (-1, 1) hdPn0d $RE=LCR!cVmPH%K "?/2OGO7}`+ % R9}t$9plj`H:nH!Q)"p.4jb sH?yu_^DX ro)B \F}c]y?aGC_j>m3TF}};{{L;?O 5^dI c. Make a conjecture about the relationship of the scale factor to the perimeter of a square and its image. Type of function: Justification: 9. = 3 2 + 3. How many feet? Question 2. ALGEBRAIC REPRESENTATIONS OF DILATIONS When a dilation in the coordinate plane has the origin as the center of dilation, we can find points on the dilated image by multiplying the x and y coordinates of the original figure by the scale factor. Considering the fact that the y coordinate stayed the same and the fact that x coordinate is multiplied with a number smaller then 1, we can conclude that given figure is horizontally shrinked. 4. examples of gram negative spore forming bacteria. (0, -3) _____________. You can use dilations when drawing or designing, Question 1. There will be no change in their sizes and has no effect in the preimage. Type below: e. (x, y) (0.5x, 1.5y) Geometry Transformations: Dilations Made Easy! Mashup Math Students can overcome their difficulties with the help of the Go Math Grade 8 Chapter 10 Transformations and Similarity Answer Key. The perimeter of the image is the perimeter of the original figure times the scale factor, Question 1. Mike DeVor. 10.2 Algebraic Representation of Dilation - YouTube 8th grade go math 8th grade go math AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube. What dilation can you apply to the image to return it to the original preimage? Type below: Type below: a dilation produces an image similar to the original figure, Question 10. Is this the same as translating the graph up 5 units and then dilating by a scale factor of 3? What is Dilation? Question 5. 2. _____________, Answer: Scale factor: 2 After the sequencing of transformations, reflection over the y-axis. Describe two transformations that will do this. _____________. Type below: (x, y) -> (1/4x, 1/4y) a. y = 2x + 6 c. Write the algebraic representation of the dilation from the blueprint to the house. Solve a + 7 = 2a 8. Dilations Geometry Worksheet / Kuta Software Geometry Dilations If you want to learn the best way of solving maths, students can immediately start their practice with the help of the Go Math Grade 8 Chapter 10 Transformations and Similarity Answer Key. d. (x, y) -> (6x, 6y), Explanation: Reflect the drawing over the x-axis c. a = 5 each side of the second figure is 1.25 times the corresponding side of the original figure. _____________. N-gen Math 7 Unit 6 Answer Key a. 4), (3.-3)) -> C'(12, -9), Question 7. Graph the image of each figure after a dilation with the origin as its center and the given scale factor.
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lesson 10 2 algebraic representations of dilations