Scale Factor and Dilations

What is the scale factor in the algebraic representation
(x,y) to (2x,2y)

• k=2
• k=1/2
• k=2.2
• k=0.5

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What variable represents scale factor in the algebraic representation (x,y) to (kx,ky)?

• x
• y
• z
• k

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What is the scale factor from the small shape to the big shape?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Sides that are in the same position are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Sides

Tags

CCSS.8.G.A.2

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

• an enlargement
• a reduction
• a scale factor
• bigger

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

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

• a reduction
• an enlargement
• a scale
• not proportional

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

CCSS.8.G.A.5

What is the scale factor from ΔDEF to ΔABC?

• 2
• 3/2
• 2/3
• 1/2

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

CCSS.8.G.A.5

Which is an example of a reduction?

• k = 1/2
• k = 1
• 3:2
• 250%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Which is an example of an enlargement?

• k = 1/2
• k = 1
• 2:3
• 2.5

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4