Dilation Coordinate Plane

The table describes two dilations with the center of dilation at the origin. Which rule describes each dilation? Move the correct answer to each box in the table. Not all answers will be used.

a

b

Tags

TEKS 8.3C

• U' (-3, -1), V' (-4, -2), W' (-5, 0), X' (-2, 3)
• U' (-1, -3), V' (-2, -4), W' (0, -5), X' (3, -2)
• U' (-0.25, 0.75), V' (-0.5, 1), W' (0, 1.25), X' (-0.75, 0.5)
• U' (-0.5, 1.5), V' (-1, 2), W' (0, 2.5), X' (1.5, 1)

Tags

CCSS.8.G.A.3

The table describes two dilations with the center of dilation at the origin. Which rule describes each dilation? Move the correct answer to each box in the table. Not all answers will be used. A triangle is dilated by a scale factor of 1/2. ​ (a)   ​ A square is dilated by a scale factor of 2. ​ ​ ​ ​ (b)  

• (x, y) → (x + 2, y + 2)

• (x, y) → (−x, −y)

Tags

CCSS.HSG.CO.A.2

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True

• False

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 3:

• (12,0)

• (12,12)

• (4,3)

• (0,12)

Tags

CCSS.8.G.A.3

Determine the Scale Factor of the dilation from ABCD to A'B'C'D'.

• SF = 3

• SF = 2

Tags

CCSS.8.G.A.3

Which of the following rules describes the transformation from ΔABC to ΔA'B'C'?

Tags

CCSS.HSG.CO.A.2

In the diagram below, △ABC was dilated to create △A’B’C’. What is the scale factor for this dilation? Scale factor = ______

Tags

CCSS.8.G.A.3

Which of the following is the algebraic representation for a dilation?

• (x, y) → (x, 3y)

• (x, y) → (3x, 3y)

• (x, y) → (x, y - 3)

• (x, y) → (.5x, .4y)

Tags

CCSS.8.G.A.3

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3