Coordinates for Dilations

What scale factor was used to produce the image?

• 2.5

• 1.5

• 3.5

• 4

Tags

CCSS.7.G.A.1

The red triangle has been dilated by a scale factor of 1/4 about the origin, which triangle is it's new image?

• green triangle 

• red triangle 

• black triangle

• none of these 

Tags

CCSS.HSG.CO.A.2

If triangle ABC was dilated by a scale factor of 3, with the origin as the center of dilation, what would the coordinates of B' be?

• (12,0)

• (12,12)

• (4,3)

• (0,12)

Tags

CCSS.8.G.A.3

State the coordinates of point C after a dilation with a scale factor of 1/2 and center of dilation at point P.

• (-6, 1)

• (-3, -2)

• (1, -6)

• (-2, -3)

Tags

CCSS.8.G.A.3

A triangle has vertices with coordinates A(2,0), B(3, -1) and C(-2,-5). If the triangle is dilated by a scale factor of 3, with the origin as the center of dilation, what are the coordinates of the vertices of the new image?

• A'(5,3), B'(6,2), C'(1,-2)

• A'(6,0), B'(9,-3), C'(-6,-15)

• A'(2/3,0), B'(1,-1/3), C'(-2/3,-5/3)

• A'(-1,-3), B'(0,-4), C'(-5,-8)

Tags

CCSS.8.G.A.3

State the coordinates of point B after a dilation, with the center of dilation at the origin, and a scale factor of 1/2.

• (1.5,-4)

• (-1.5,1)

• (-1,-1.5)

• (-2,-2)

Tags

CCSS.8.G.A.3

State the coordinates of point A after a dilation, with the center of dilation at (0,0), and a scale factor of 1/2.

• (2,2)

• (8,8)

• (0,12)

• (4,12)

Tags

CCSS.8.G.A.3

What are the coordinates for the center of dilation?

• (0, 0)

• (4.5, 5.5)

• (3, 2)

• (6.5, 4)

Tags

CCSS.8.G.A.3

In this figure, triangle TRS is the ​ (a)   , triangle T'R'S' is the ​ (b)   and a(n) ​ (c)   occurred.

• pre-image

• image

• enlargement

• reduction

• spin

• flip

Tags

CCSS.HSG.CO.A.2

Which of the following statements is true about the scale factor (k) for this dilation?

Tags

CCSS.8.G.A.3