Math Practice Test Set 5 - My Career Tools

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1. An integer is randomly chosen from the following number line. Given that the number lies on A-D, what is the probability that it also lies on B-C?

A.\(\frac{1}{3}\)

B.\(\frac{2}{9}\)

C.\(\frac{1}{9}\)

D.\(\frac{1}{4}\)

Question 1 of 10

Math- Equations

2. Solve the equation.

5(5x − 2) = 4(8x + 1)

A.−2

B.2

C.4

D.0

Question 2 of 10

3. Solve the given equation for x.

4x − 12 = −56

A.-11

B.-10

C.10

D.11

Question 3 of 10

4. Solve the equation.

6(−3x + 4) − 6 = −8(2x + 2) − 8

A.21

B.-21

C.20

D.-18

Question 4 of 10

Math-Square Roots

5. List all square roots of the given number. If the number has no square roots, choose “none”.

324

A.18, -18

B.20, -20

C.18, -19

D.22, -22

Question 5 of 10

6. List all square roots of the given number. If the number has no square roots, choose “none”.

256

A.16, -16

B.15, -15

C.32, -32

D.-15, 15

Question 6 of 10

Math-Solution of equations

7. Use the elimination method to solve each of the following systems

6x + y = 8
4x + 2y = 0

A.(2,-4)

B.-(2,-4)

C.(2,4)

D.8

Question 7 of 10

8. Use the substitution method to solve each of the following systems.

x + 2y = −4
6x − 4y = −56

A.(-8, 2)

B.-(-8, 2)

C.(-16, 8)

D.(-2, 8)

Question 8 of 10

Math-Exponents

9. Simplify the given exponential expression.

\(4^{n} \cdot 4^{8n+3}\)

A.\(4^{9n+3} \)

B.\(-4^{9n+3} \)

C.\(4^{9n-3} \)

D.\(-4^{9n-3} \)

Question 9 of 10

Math-Word problems

10. Mark’s scores on his first three exams are 79, 84, and 71. What must Mark score on his next exam to average 74 for all four exams?

A.62

B.-62

C.63

D.-63

Question 10 of 10