Math Practice Test Set 8 - My Career Tools

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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. \(\frac{7x^{2}-63}{x+3}\)

Simplify the expression.

A.\(\frac{x+3}{7}, x ≠ - 3\)

B.\(\frac{7x^{2}-9}{x},x ≠ - 3\)

C.7(x+3), x ≠ - 3

D.7(x-3), x ≠ - 3

Question 2 of 10

3. The equation represents a direct variation.

6x + 4 = y

A.True

B.False

Question 3 of 10

4. A teacher grades 5 tests in 30 minutes. If a graph was made to show the number of tests per hour that the
teacher can grade, what would be the slope of the graph?

A.6

B.\(\frac{1}{6} \)

C.60

D.10

Question 4 of 10

5. \(a^{2} - 12a + 36\)

A.(a - 6)(a - 6)

B.(12a + 1)(-2a + 6)

C.(a + 6)(a + 6)

D.(a - 12)(a + 6)

Question 5 of 10

Math-Percent to decimal

6. Convert the given decimal to a percent.

0.85

A.85%

B.8.5%

C.0.85%

D.0.085%

Question 6 of 10

Math-Evaluate expression

7. \(3x^{2} - 2y^{2}\) at \(x = −3\) and \(y = −2\)

A.19

B.27

C.-19

D.-27

Question 7 of 10

Math-Distributive Property

8. Use the distributive property to expand the given expression.

\(2st(−4s^{2}+ 8st − 10t^{2})\)

A.\(-8s^{3}t + 16s^{2}t^{2}- 20st^{3}\)

B.\(8s^{3}t + 16s^{2}t^{2}- 20st^{3}\)

C.\(-10s^{3}t + 16s^{2}t^{2}- 20st^{3}\)

D.\(-8s^{3}t - 16s^{2}t^{2} +20st\)

Question 8 of 10

Math- Equations

9. Solve the equation.

11x + 10 = 19x + 20

A.\(-\frac{5}{4}\)

B.\(\frac{5}{4}\)

C.8

D.-8

Question 9 of 10

Math-Combining Like Terms

10. Combine like terms by first rearranging the terms, then using the distributive property to factor out the common variable part, and then simplifying.

−13 + 16m + m + 16

A.3 + 17m

B.5 + 17m

C.-3 + 17m

D.3 - 17m

Question 10 of 10