Scale Factor Dilation

If the two figures are similar, what is the length of the missing side (x)?

• 12 cm

• 14 cm

• 21 cm

• 4 cm

Tags

CCSS.HSG.SRT.A.2

The vertices of HJKL are as follows: H(-10, -4) J(6, -2) K(0,4) L(-4, 6). Find the coordinates of H'J'K'L' after the HJKL if dilated using a scale factor of 1/2.

• H'(-5, -2) J'(3, -2) K'(0, 2) L'(2, 4)

• H'(-5, -2) J'(3, -1) K'(0, 2) L'(-2, 3)

• H'(-7, -2) J'(3, -2) K'(4, 2) L'(2, 4)

• H'(-10, -2) J'(6, -2) K'(0, 2) L'(4, 4)

Tags

CCSS.8.G.A.3

Triangle PQR is shown. What are the coordinates of Q' when triangle PQR is dilated by a scale factor of 4 using the origin as center?

• Q' (16,20)

• Q' (20, 16)

• Q' (36, 16)

• Q' (24, 9)

Tags

CCSS.8.G.A.3

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge

• Yes, reduce

• No

Tags

CCSS.HSG.CO.A.2

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

scale factor = _______

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.3

Polygon A'B'C'D'E' is a dilation of polygon ABCDE, with the origin as the center of dilation.  Which of the following is the scale factor that was used to create the dilation?

Tags

CCSS.8.G.A.3

what is the scale factor?

• 3

• 2

• 1/2

• 1/3

Tags

CCSS.HSG.CO.A.2

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 1/2.

• It's an enlargement; the scale factor is 2.

• It's a reduction; the scale factor is 1/2.

• It's a reduction; the scale factor is 2.

Tags

CCSS.8.G.A.3

What is the scale factor?

• k = 2

• k = 1/2

• k = 4

• k = 1/4

Tags

CCSS.HSG.CO.A.2