8th grade math

This shows a rectangle in the coordinate plane.

• rotate 180° clockwise about the origin

• translate left 10 units

• reflect over the y-axis

• reflect over the x-axis

What is the value of x in the equation 3(4x - 6) - 2x + 1 = 3 - (3x - 6)?

What is the value of x in the equation (6x - 5)/2 = 2x + 6?

Lines p and q are parallel in this diagram. What is the sum of the degree measures of angles x and y?

Lines m and p are parallel and cut by transversal t in this figure. What is the value of x?

Line m and line n are parallel. Which statement correctly describes triangle XYZ?

• Triangle XYZ is a scalene triangle.

• Triangle XYZ is an obtuse triangle.

• Triangle XYZ is an equilateral triangle.

• Triangle XYZ is a right triangle.

What is the measure of angle QRS in this figure?

• 78°

• 120°

• 132°

• 175°

Triangle RST will be translated 3 units left and 2 units down.

• R'(0, 2), S'(-2, -1), T'(2, -1)

• R'(3, 2), S'(1, -1), T'(5, -1)

• R'(0, 4), S'(-2, 1), T'(2, 1)

• R'(6, 6), S'(4, 3), T'(8, 3)

Square JKLM will be reflected over the y-axis. What will be the coordinates of L'?

• (4, 1)

• (1, 4)

• (-1, -4)

• (-4, -1)

In the graph, △STU is the image of △PQR after a dilation with respect to the origin. What was the scale factor of the dilation?

• A. 3/2

• B. 1/2

• C. 1/3

• D. 1/4