Dilation/Scale Factor

What is the scale factor if the smaller rectangle is the original rectangle?

• 4

• 25

• 5

• 6

Tags

CCSS.7.G.A.1

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

What is the scale factor if the triangle on the right is the new triangle?

• 1/2

• 7/3

• 2

• 10/3

Tags

CCSS.7.G.A.1

Triangle ABC will be dilated by a scale factor of 1/2.  What will be the coordinates of C'?

• (-1, -2.5)

• (12, 6)

• (3, -1.5)

• (0, 1.5)

Tags

CCSS.8.G.A.3

If the left triangle was created by dilating the right one, find the value of x.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Tags

CCSS.7.G.A.1

If the scale factor is greater than 1, the new figure will be

• the same

• smaller

• a scale factor

• bigger

Tags

CCSS.8.G.A.3

If the scale factor is less than 1, the new figure will be

• the same

• smaller

• a scale factor

• bigger

Tags

CCSS.7.G.A.1

When A(3, 6) is under a dilation of 2 what are the coordinates of A'?

• (3, 6)

• (1.5, 3)

• (6, 12)

• (5, 8)

Tags

CCSS.8.G.A.3

What is the formula for scale factor?

Tags

CCSS.7.G.A.1

Which scale factor shrinks a figure?

• k = 0

• k =2

• k= 1/3

• k = 1

Tags

CCSS.8.G.A.3