Grade 8 Unit 2 Review

Which quadrilaterals ARE similar to PQRS

• I

• II

• III

• IV

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What changes were made to the upper portion of the butterfly to create the lower portion?

• Dilation and translation

• Rotation and translation

• Reflection and Translation

• Dilation and reflection

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

A triangle similar to Triangle JMN will be drawn using points J and K. What could be the coordinates of the third point?

• (-5,-15)

• (-5,-7)

• (-1,-11)

• (-1,-3)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

The length of ST in Polygon STUV is 12 feet. What would be the length of S'T' if we use a scale factor of ¹/₄?

• 48

• 4

• 3

• 6

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Figure A'B'C'D' is a dilation of Figure ABCD. What scale factor was used to create A'B'C'D'?

• 1/3

• 3/5

• 3

• 10

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

Figure 2 is a dilation of figure 1. What scale factor was used to create object 2?

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

The length of side AB in Triangle ABC is 32 meters. After a dilation of ³/₄ what would be the length of side A'B'?

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

Select the FALSE statements

• Dilations always increase the length of the line segments

• Perpendicular lines remain perpendicular after a dilation

• Corresponding angles remain congruent after dilations

• Dilations increase angle measurements

Tags

CCSS.HSG.SRT.A.1

Which pair of triangles MUST be similar?

• Triangles 1 and 2 each have a 35º angle

• Triangles 3 and 4 are both isosceles

• Triangle 5 and 6 are right triangles.

• Triangle 7 is a right triangle with a 30º angle and Triangle 8 is a right triangle with a 60º angle.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

CCSS.8.G.A.5

Select all of the lines with a slope of ²/₅.

• A

• B

• C

• D

• E

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4