Dilations

Multiple Choice

What is the image of (3, 7) after a dilation by a scale factor of $$2$$  centered at the origin?

• (1,7)

• (14,6)

• (6,14)

• (3,-1)

Multiple Choice

What is the image of (-1, 9) after a dilation by a scale factor of $$3$$  centered at the origin?

• (-3, -27)

• (-3, 27)

• (3, -27)

• (3, 27)

Multiple Choice

What is the image of (-4, 7) after a dilation by a scale factor of $$3$$  centered at the origin?

• (-12, -21)

• (-12, 21)

• (12, -21)

• (12, 21)

Scale Factor > 1

Multiple Choice

What is the image of (3,-9) after a dilation by a scale factor of $$\frac{1}{3}$$  centered at the origin?

• (1,-3)

• (-3,1)

• (-1,3)

• (3,-1)

Multiple Choice

What is the image of (9,-12) after a dilation by a scale factor of $$\frac{1}{3}$$  centered at the origin?

• (4,-3)

• (-3,4)

• (-4,3)

• (3,-4)

Multiple Choice

What is the image of (0,6) after a dilation by a scale factor of $$\frac{1}{2}$$  centered at the origin?

• (0,-3)

• (-3,0)

• (0,3)

• (3,0)

Scale Factor < 1

Multiple Choice

Quadrilateral MNOP is dilated by a scale factor of $$\frac{3}{4}$$  to form quadrilateral M'N'O'P'. What is the measure of side P'M'? Hint: $$PM\left(\frac{3}{4}\right)$$  

• 6

• 12

• 18

• 24

Multiple Choice

Quadrilateral SRQP is dilated by a scale factor of $$\frac{2}{3}$$  to form quadrilateral S'R'Q'P'. What is the measure of side P'Q'?

• 7

• 14

• 21

• 28

Multiple Choice

Hint: OP times 4

• 48

• 36

• 27

Multiple Choice

• 7

• 14

• 21

Open Ended

How well do you feel you understood today’s lesson?