Scale Factor from A to B

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

• 0.25
• 0.5
• 2
• 1/2

Tags

CCSS.7.G.A.1

What is the scale factor from ABC to DEF?

• 2

• 3/2

• 2/3

• 1/2

Tags

CCSS.7.G.A.1

If a Scale Factor if greater than 1, then your figure gets...

• Smaller

• Bigger

• Does not change

Tags

CCSS.8.G.A.3

Quadrilateral NDMP was dilated to make N'D'M'P'. What was the scale factor?

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.8.G.A.3

Which rule would dilate shows a scale factor of 4

• (x, y) → (y, x)

• (x, y) → (x + 4, y + 4)

• (x, y) → (x, -y)

• (x, y) → (4x, 4y)

Tags

CCSS.HSG.CO.A.2

Match the following dilations by a scale factor of 1/2.

• (3,4)

• (6,8)

• (0,0)

• (0,0)

• (5,1)

• (10,2)

• (-3, -4)

• (0, -10)

• (0, -5)

• (-6,-8)

Answer explanation

Note that 0/2 is still 0

so (0,0) dilated by 1/2 is still at (0,0)

(0,-10) dilated by a 1/2 is at

(0, -5)

Tags

CCSS.8.G.A.3

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

Tags

CCSS.7.G.A.1

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

Tags

CCSS.7.G.A.1

If you want to find the scale factor from one figure to another, which formula should you use?

• Copy/Original

• Model/Actual

• Both

Tags

CCSS.7.G.A.1