8th Grade Diagnostic

1.Which inequality is graphed below?

  1. x ≥ 6 B x ≤ 6 C x < 6 D x > 6

2. Which is the correct algebraic equation for the sentence?

Fifty-two equals two more than a number multiplied by 5

A.52 = 2 + 5 + s B.52 = 2 - 5s C. 52 = 2 + 5s D. 52 = 5s - 2

3.Which inequality represents less than 8 minutes?

  1. x ≤ 8 B x ≥ 8 C x > 8 D x < 8

4. Whatis the slope of the linear equation:

A.B. C.D.

5.Erika walks for exercise. The graph shows the relationship between the minutes she walks and the number of steps she takes.

Whichtable matches the data in the graph?

6. Whatis the slope of the linear equation passing through the points (-1, -2) and (-2, 3)?

  1. B.5C.-5D.-15

7. Which is the equation of the line graphed below?

A.y = -x – 2 B.y = -x + 2 C.y = x + 2 D.y = x - 2

8. Whatis the function rule that is being used?

A.y = x – 7 B.y = 7x + 2 C.y = 2x – 7 D.y = x + 1

9. Whatis the slope of the linear equation?

A.3B.-1C.D.

10.Which is an equation of the line with slope 1 and y-intercept 2?

A.y = x – 2 B.y = 2x + 1 C.y = 2x – 1 D.y = x + 2

11. What is the equation for the table below?

A.y = 4x + 1 B.y = x + 4 C.y = 2x – 3 D.y = -2x - 2

12.Which of these shows the following expression in simplest form?

5x+ 2 + 4 + 6x

A.17 B.11x + 6 C.17x D.7x + 10

13. If you can type 1080 words in 40 minutes, then how many words per minute can you type?

A.180 words/min B. 31 words/min C. 27 words/min D. 9 words/min

14.Simplify 6r + 3(2r + 1).

A.11r + 1 B.11r + 3 C.12r + 1 D.12r + 3

15. Whichgraph represents the equation y = 2x - 4?

A C

BD

16.Solve the equation for w.

  1. w = 4 B.w = 5 C. w = 2 D.w = 7

17. Sylvie's age is 5 years less than half Katie's age. If Sylvie is 11 years old, what is Katie's age?

A.8 years old B. 12 years old C. 27 years old D. 32 years old

18.Solve 2d - 7 = 8 - 3d.

A. d = - B. d = C. d = 3 D. d = -1.5

19.What is the value of t in the equation 3t = 6(t − 4)?

A.t = 8 B.t = 7 C. t = D.t =

20.Whatis the first operation you should use to solve the equation 5x + 4 = 1?

A.addition B.subtraction C.multiplication D.division