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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 14 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_(⟨ 5, - 1⟩)(x,y) This means we should add 5 to each x-coordinate and subtract 1 to each y-coordinate of all of the vertices.

(x,y)	(x+ 5,y- 1)	(x',y')
(- 1,2)	(- 1+ 5,2- 1)	(4,1)
(5,- 1)	(5+ 5,- 1- 1)	(10,- 2)
(2,- 4)	(2+ 5,- 4- 1)	(7,- 5)
(- 4,- 1)	(- 4+ 5,- 1- 1)	(1,- 2)

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