Math Practice Test Set 10 - My Career Tools

Uncategorized

1. Typically, air temperature decreases through the night between midnight and 6:00 am. This is an example of what type of association?

A.constant association

B.positive linear association

C.negative linear association

D.no association

Question 1 of 10

2. \(\frac{x-7}{x^{2}-x-42}\)

Simplify this expression.

A.\(\frac{1}{x+7}, x ≠ - 6\)

B.\(\frac{1}{x+6}, x ≠ 6 \)

C.x + 7, x ≠ - 6,7

D.x + 6, x ≠ - 6,7

Question 2 of 10

Math- Equations

3. Solve the given equation for x.

5x − 14 = −79

A.−13

B.−14

C.6.5

D.13

Question 3 of 10

Math-Functions

4. Given f(x) = 3x⁴ + 5x³ − 9, evaluate f(−2).

A.-1

B.0

C.no solutions

D.1

Question 4 of 10

Math-Inequalities

5. Solve the given inequality.

16x − 6 ≤ 18

A.\(\frac{3}{2}\)

B.\(\frac{2}{3}\)

C.\(1\frac{2}{3}\)

D.\(-\frac{3}{2}\)

Question 5 of 10

Math-Solution of equations

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

−32x + 7y = −238
8x − 4y = 64

A.(7,-2)

B.(7,2)

C.(6,-2)

D.(7,-6)

Question 6 of 10

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

−3x − 5y = −34
7x + 7y = 56

A.(3,5)

B.15

C.(5,3)

D.- (3,5)

Question 7 of 10

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

2x + 2y = 4
3x − 5y = 3

A.\((\frac{13}{8}, \frac{3}{8}) \)

B.\(-(\frac{13}{8}, \frac{3}{8}) \)

C.\((\frac{13}{9}, \frac{3}{9}) \)

D.\(-(\frac{13}{9}, \frac{3}{8}) \)

Question 8 of 10

Math-Square Roots

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

441

A.21, -21

B.20, -20

C.22. -22

D.-15, 15

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