Name:    8th Grade Math Proficient Practice Test 1

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

 a. 3, 10, 4, 7, 5 d. 2, 11, 18, 38, 66 b. 4, 8, 10, 14, 18 e. 0, 5, 6, 8, 10 c. 4, 7, 8, 10, 12

2.

 a. y = 8x - 4 d. y = x b. y = x – 4 e. c. y = 2x + 4

3.

Which equation would graph as a straight line?
 a. x2 - y = 0 d. b. y = x e. c. 2y = x2

4.

Algebraic Concepts - Solving Equations & Inequalities - RIT 231 - 240

Which algebraic expression would show the following situation:

"eight pounds heavier than his brother"
 a. 8     x d. 8x b. x + 8 e. c. x – 8

5.

If a = 3, b = 9, c = 14, solve: 2b – c – a
 a. 26 d. 35 b. 0 e. 1 c. 28

6.

 a. 7 d. 6 b. 1 e. 5 c. 3

7.

Evaluate. –2(3)(12–7)
 a. –30 d. –1 b. 55 e. –79 c. 30

8.

Evaluate. –5(x – 3), if x = -6
 a. 3 d. 45 b. 9 e. –9 c. -33

9.

 a. d. b. e. c.

10.

 a. d. b. e. c.

11.

If y = 7, then 2y + 4y = ?
 a. 7 d. 42 b. 14 e. 28 c. 18

12.

Algebraic Concepts – Patterns, Sequences, Functions – RIT 241 – 250
Given the following sequence 1, 4, 9, 16, 25 . . .
What is the eighth term of this sequence?
 a. 64 d. 59 b. 49 e. 75 c. 81

13.

Which set of ordered pairs is a function?
 a. { (2,3), (3,4), (4,5), (3,5), (6,3) } d. { (2,3), (3,3), (4,3), (2,4), (6,3) } b. { (2,3), (3,3), (4,3), (5,3), (6,3) } e. { (2,3), (3,4), (4,5), (5,6), (2,6) } c. { (2,3), (2,4), (3,4), (4,5), (5,6) }

14.

Which table represents an example of inverse variation?
 a. d. b. e. c.

15.

Algebraic Concepts – Solving Equations & Inequalities – RIT 241 – 250
Solve for x: 2x + 4 = 20
 a. x = 8 d. x = 12 b. x = -8 e. x = 4 c. x = 8 - 4

16.

Give the slope of a line perpendicular to the line represented by the equation
3x + 5y = 15
 a. d. b. e. c.

17.

Solve the following system of equations and interpret the solution graphically.
2x – 3y = 6
x + y = 8
 a. (6,2), lines intersect d. (6,6), same line b. (-6,6), lines parallel e. (-6,-2), lines parallel c. (6,6), same line

18.

Find the x and y intercepts for the linear equation 7x – 2y + 14 = 0.
 a. (-2,0) (0,7) d. (-7,0) (0,2) b. (7,0) (0,-2) e. (-2,0) (0,-7) c. (2,0) (0,-7)

19.

 a. d. b. e. c.

20.

Computation – Decimals – RIT 231 – 240
4,536.6 + 325.25 =
 a. 7,789.1 d. 4,876.06 b. 4,861.85 e. 7,784.17 c. 111.35