8th Grade Math Reteach - Interactive Practice

8th Grade Math Reteach Practice

Select the correct answer for each question. Click "Check Answers" at the bottom to see your score.


1. Five line segments are shown in the coordinate plane.
x y A B C D E F G H J K
Which of the segments could be the image of segment AB after a sequence of reflections, translations, and/or rotations?
A. Segment CD
B. Segment EF
C. Segment GH
D. Segment JK
2. Five line segments are shown in the coordinate plane.
X Y J K L M N P R S
Which of the segments could be the image of segment XY after a sequence of reflections, translations, and/or rotations?
A. Segment JK
B. Segment LM
C. Segment NP
D. Segment RS
3. Which of the graphs below represents a function?
Graph A
Graph B
Graph C
Graph D
A. Graph A
B. Graph B
C. Graph C
D. Graph D
4. Which of the graphs below represents a function?
Graph A
Graph B
Graph C
Graph D
A. Graph A
B. Graph B
C. Graph C
D. Graph D
5. Rectangle KLMN is shown. The rectangle is dilated by a scale factor of 0.5 with a center of dilation at the origin to form rectangle K'L'M'N'. What are the coordinates of rectangle K'L'M'N'?
x y 2 4 -2 -4 2 4 K L M N
A. K'(-2, 2), L'(2, 2), M'(2, -1), N'(-2, -1)
B. K'(-8, 8), L'(8, 8), M'(8, -4), N'(-8, -4)
C. K'(-2, 2), L'(2, 2), M'(2, -2), N'(-2, -2)
D. K'(-3.5, 3.5), L'(3.5, 3.5), M'(3.5, -1.5), N'(-3.5, -1.5)
6. Square PQRS is shown. The square is dilated by a scale factor of 3 with a center of dilation at the origin. What are the coordinates of P'?
x y P Q R S

Note: Point P is at (1, 2).

A. (3, 6)
B. (1/3, 2/3)
C. (4, 5)
D. (3, 2)
7. Compare the two linear functions below.

Function A: y = 3x - 1

Function B:
xy
02
16
210

Which statement is true about the rate of change (slope) of the functions?
A. Function A has a greater rate of change (3 > 4).
B. Function B has a greater rate of change (4 > 3).
C. Both functions have the same rate of change.
D. Function B has a negative rate of change.
8. Compare the two functions.

Function J is represented by the equation: y = 2x + 4.

Function K is represented by the graph below.
Which function has a greater rate of change?
A. Function J (Rate = 2)
B. Function K (Rate = 1)
C. They have the same rate of change.
D. Function K (Rate = 3)