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Pearson Geometry Common Core, 2011

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Pearson Geometry Common Core, 2011 View details

1. Translations

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Exercise 15 Page 550

Add or subtract the necessary values to the x- and y-coordinates to find the new points.

Practice makes perfect

Let's begin by identifying the vertices of the given polygon.

We are asked to translate the given polygon using a translation written in function notation.

T_(⟨ - 2, 5⟩)(x,y) This means we should subtract 2 from each x-coordinate and add 5 to each y-coordinate of all of the vertices.

(x,y)	(x- 2,y+ 5)	(x',y')
(- 5,3)	(- 5- 2,3+ 5)	(- 7,8)
(- 2,3)	(- 2- 2,3+ 5)	(- 4,8)
(1,- 3)	(1- 2,- 3+ 5)	(- 1,2)
(- 5,0)	(- 5- 2,0+ 5)	(- 7,5)

With these points, we are able to draw transformed polygon.

Subchapter links

Lesson Check p.549

Standardized Test Prep p.552

Mixed Review p.552