Math 8 Module 3 Cumulative Review Quizizz

If the scale factor is less than one, but greater than 0, the new figure will be:

• an enlargement

• a reduction

• a scale factor

• a triangle

Tags

CCSS.8.G.A.3

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

If an image was created by dilating the pre-image by  $\frac{2}{7}$ , what could we dilated the image by to map it onto the pre-image?

• 2/7

• 2

• 7/2

• 7

Tags

CCSS.8.G.A.3

Triangle A'B'C' is 4 times the size of triangle ABC. If we wanted to dilate triangle A'B'C' so that it maps onto triangle ABC, what scale factor should we use?

• 4

• 1/4

• 16

• 1/2

Tags

CCSS.8.G.A.3

How are the side lengths in two similar figures related?

• Exactly the same
• Multiplied by a factor of k
• Multiplied by a factor of k²
• Multiplied by a factor of k³

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

How are the angle measures in two similar figures related?

• Exactly the same
• Multiplied by a factor of k
• Multiplied by a factor of k²
• Multiplied by a factor of k³

Tags

CCSS.HSG.SRT.A.2

If this triangle was drawn using the Fundamental Theorem of Similarity, what would we know about segment DE and segment AB?

• They are parallel

• They are the same length

• They are congruent

• They are perpendicular

Tags

CCSS.HSG.SRT.B.4

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)
• A'(6,6) B'(9,9) C'(12,6)
• A'(0,0) B'(3,3) C'(6,0)
• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)
• (20,12)
• (-20,-12)
• (-5,-3)

Tags

CCSS.8.G.A.3

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3