Math Practice Test Set 7 - My Career Tools

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1. If y varies inversely with x, and y = 40 when x = 16, find x when y = -5.

A.127

B.128

C.-128

D.-127

Question 1 of 10

2. Jane has a collection of marbles, consisting of 3 red, 4 green, 4 blue, and 3 orange marbles. She has offered two of her friends, David and Malcolm, that they may take one marble each. What is the probability that Malcolm chooses a red marble, given that David has already chosen a red marble?

A.\(\frac{1}{7}\)

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

C.\(\frac{3}{14}\)

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

Question 2 of 10

3. Factor. \(x^{2} − 2x − 24\)

A.(x + 6)(x − 4)

B.(x − 6)(x − 4)

C.(x − 6)(x + 4)

D.(x + 6)(x + 4)

Question 3 of 10

Math- Equations

4. Solve the equation.

13 − 9x = 11 − 5x

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

B.1

C.8

D.\(-\frac{1}{2}\)

Question 4 of 10

Math-Exponents

5. Simplify the given exponential expression.

\(2^{5} \cdot 2^{3}\)

A.\(2^{8} \)

B.\(-2^{8} \)

C.\(2^{1} \)

D.\(1^{2} \)

Question 5 of 10

Math-Percent of number

6. 37.5% of what number is 57?

A.152

B.57

C.150

D.60

Question 6 of 10

Math-Inequalities

7. 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 7 of 10

Math-Square Roots

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

529

A.23, -23

B.22, -22

C.24, -24

D.18, 19

Question 8 of 10

Math-Evaluate expression

9. Evaluate the expression at the given values of x and y.

\(5x^{2} + 4y^{2}\) at \(x = −2\) and \(y = −2\)

A.36

B.-36

C.18

D.35

Question 9 of 10

Math-Word problems

10. The number −10 is −5 times larger than an unknown number. Find the unknown number.

A.2

B.-2

C.4

D.-3

Question 10 of 10