Unit 1 Post Assessment ReviewerMath 8

Consider triangle PQR shown in the coordinate plane. If the triangle is rotated 90 degrees counter clockwise to form triangle STU, what is the measure of angle TUS?

• 30 degrees

• 50 degrees

• 100 degrees

• 180 degrees

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Consider triangles PQR and P'Q'R'. Which sequence of transformations proves that these triangles are congruent to each other? Select ALL that apply

• rotate triangle PQR by 90 degrees counter clockwise then reflect along the x axis

• rotate triangle PQR by 90 degrees clockwise then reflect along the y-axis

• reflect triangle PQR along the x-axis then rotate it 90 degrees clockwise

• rotate triangle PQR by 180 degrees clockwise

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Figure 2 is a result of a sequence of transformations applied to Figure 1. Which of the following describes the transformation that took place?

• Rotate Figure 1 by 90 degrees counter clockwise then translate it 8 units downward and 2 units to the right

• Reflect Figure 1 along the y-axis and translate it 8 units downward and 2 units to the right

• Reflect Figure 1 along the x-axis and translate it 8 units downward and 2 units to the right

• Reflect Figure 1 along the y-axis and translate it 8 units downward and 2 units to the left

Tags

CCSS.8.G.A.3

Triangle ABC has coordinates (4,4), (5,6), and (7,4). What will be the coordinates of triangle A'B'C' if the triangle is translated 8 units down and 2 units to the left?

• (-4, -4), (-3, -2), (-1, -4)
• (2, -4), (3, -2), (5, -4)
• (6, -4), (7, -2), (9, -4)
• (12, -4), (13, -2), (15, -4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Consider the triangle graphed on the coordinate plane. Which is the result of rotating this triangle 180 degrees counter clockwise about the origin?

• 
• 
• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle XYZ is translated so that Y' is at (10,5) and then it is rotated 180 degrees counter clockwise about the origin. What will be the coordinates of X''?

• (6, -5)

• (-6, -5)

• (-10, -5)
• (-8, -10)

Tags

CCSS.8.G.A.3

What is the measure of angle z?

• 132

• 48

• 128

• 52

Tags

CCSS.8.G.A.5

In the diagram, transversal t intersects parallel lines m and n. What is the measure of angle 2 if the measure of angle 6 is 127 degrees?

• 53 degrees

• 127 degrees

• 180 degrees

• 153 degrees

Tags

CCSS.8.G.A.5