Unit 9 Test-Concepts of Geometry

Write a rule to describe the transformation.

• reflection across the x-axis

• translation: $\left(x,\ y\right)\rightarrow\left(x+4,\ y-4\right)$

• translation: $\left(x,\ y\right)\rightarrow\left(x-1,\ y-4\right)$

• reflection across the y-axis

Write a rule to describe the transformation.

• translation: $\left(x,\ y\right)\rightarrow\left(x-5,\ y+4\right)$

• translation: $\left(x,\ y\right)\rightarrow\left(x-6,\ y\right)$

• translation: $\left(x,\ y\right)\rightarrow\left(x-1,\ y+3\right)$

• reflection across the y-axis

Find the measure of the angle. (Sketch it on scratch paper)

• $32\degree$

• $38\degree$

• $52\degree$

• $45\degree$

Find the value of x.

• -12

• 7

• -11

• 9

The value of x is ___.

(Solve for x and fill in the blank with a number ONLY)

Find the value of x.

• 63

• 66

• 67

• 69

The value of x is __.

(Fill in the blank with a number only)

Find the value of x.

• 5

• 4

• 6

• 11

Identify each pair of angles as corresponding, alternate interior, alternate exterior, or consecutive interior.

• alternate exterior

• consecutive interior

• corresponding

• alternate interior

Identify each pair of angles as corresponding, alternate interior, alternate exterior, or consecutive interior.

• alternate interior

• consecutive interior

• corresponding

• alternate exterior