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Pearson Geometry Common Core, 2011
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Pearson Geometry Common Core, 2011 View details
3. Rotations
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Exercise 50 Page 567

A 90^(∘) rotation counterclockwise about the origin will change the coordinates of the vertices such that (a,b)→ (- b,a).

A

Practice makes perfect
When a point is rotated 90^(∘) counterclockwise about the origin, the coordinates of the image will change in the following way.

(a,b)→ (- b,a) Using this rule and the point, we can find the x- and y-coordinates of the image.

(a,b) (- b,a)
(1,- 6) (6,1)

Therefore, the correct answer is A.

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arrow_right Lesson Check p.564
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Lesson Check 3 (Page 564)
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arrow_right Practice and Problem-Solving Exercises p.564-566
Practice and Problem-Solving Exercises 9 (Page 564)
Practice and Problem-Solving Exercises 10 (Page 564)
Practice and Problem-Solving Exercises 11 (Page 564)
Practice and Problem-Solving Exercises 12 (Page 564)
Practice and Problem-Solving Exercises 13 (Page 564)
Practice and Problem-Solving Exercises 14 (Page 564)
Practice and Problem-Solving Exercises 15 (Page 564)
Practice and Problem-Solving Exercises 16 (Page 564)
Practice and Problem-Solving Exercises 17 (Page 565)
Practice and Problem-Solving Exercises 18 (Page 565)
Practice and Problem-Solving Exercises 19 (Page 565)
Practice and Problem-Solving Exercises 20 (Page 565)
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Practice and Problem-Solving Exercises 48 (Page 566)
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arrow_right Standardized Test Prep p.567
Standardized Test Prep 50 (Page 567)
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Standardized Test Prep 53 (Page 567)
arrow_right Mixed Review p.567
Mixed Review 54 (Page 567)
Mixed Review 55 (Page 567)
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