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. Factor. \(6x^{2} - 19x +10\)

A.(3x − 10)(2x + 1)

B.(6x − 5)(x − 2)

C.(3x − 5)(2x − 2)

D.(3x − 2)(2x − 5)

Question 2 of 10

3. \(\frac{5x+7y}{3(x +y)}\)

Simplify.

A.3

B.\(\frac{28}{3}\)

C.-1

D.No further simplification.

Question 3 of 10

4. Peter is dividing a regular deck of 52 cards in half and choosing a card at random. What is the probability of choosing a Jack, if he happens to divide the deck perfectly into black cards and red cards and then chooses from the red cards?

A.\(\frac{1}{13}\)

B.\(\frac{2}{13}\)

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

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

Question 4 of 10

Math-Percent of number

5. What number is 89.6% of 125?

A.112

B.110

C.54

D.122

Question 5 of 10

Math-Distributive Property

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

\(−2uw(10u^{2}− 7uw − 2w^{2})\)

A.\(-20u^{3}w + 14u^{2}w^{2} + 4uw^{3}\)

B.\(20u^{3}w + 14u^{2}w^{2} + 4uw^{3}\)

C.\(-20u^{3}w + 18u^{2}w^{2}\)

D.\(20u^{3}w - 14u^{2}w^{2}\)

Question 6 of 10

Math-Evaluate expression

7. \(-2x^{2} + 2y^{2}\) at \(x = 1\) and \(y = -2\)

A.6

B.-6

C.8

D.-3

Question 7 of 10

Math-Solution of equations

8. Which of the numbers following the given equation is a solution of the given equation?

x − 9 = 4; 16, 14, 20, 13

A.13

B.-13

C.4

D.9

Question 8 of 10

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

6x − 8y = 24
y = 15 + 3x

A.(-8,-9)

B.-(-8,-9)

C.(8,-9)

D.(-16,18)

Question 9 of 10

Math-Inequalities

10. Solve the given inequality.

−12x + 4 < −56

A.5

B.-12

C.-5

D.12

Question 10 of 10