Math Test Set 11 - My Career Tools

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1. If y varies inversely as x and y = 8 when x = 3, find the value of x when y = 12.

A.8

B.-8

C.2

D.-2

Question 1 of 10

Math-Distributive Property

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

\(9(−2b^{2} + 2b + 9)\)

A.\(−18b^{2} + 18b + 81 \)

B.\(18b^{2} + 18b + 81 \)

C.\(-18b^{2} - 18b + 81 \)

D.\(-18b^{2} + 18b + 21 \)

Question 2 of 10

Math-Square Roots

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

−144

A.None

B.-12, 12

C.-6, 6

D.-24, 24

Question 3 of 10

Math- Equations

4. Solve the given equation for x.

19x + 18 = 113

A.5

B.10

C.-5

D.-10

Question 4 of 10

5. Solve the equation.

3(5x − 6) − 7(7x + 9) = 3

A.\(-\frac{42}{17}\)

B.\(-\frac{17}{42}\)

C.\(\frac{34}{84}\)

D.\(\frac{42}{18}\)

Question 5 of 10

Math-Percent to decimal

6. Convert the given percent to a decimal.

36.5%

A.0.365

B.36.5

C.0.0365

D.3.65

Question 6 of 10

7. Convert the given decimal to a percent.

8.7

A.870%

B.87%

C.8.7%

D.0.87%

Question 7 of 10

Math-Evaluate expression

8. −8x + 9 at x = −9

A.81

B.17

C.78

D.-17

Question 8 of 10

Math-Solution of equations

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

2x + 3y = −2
−5x + 5y = 2

A.\((\frac{-16}{25}, \frac{-6}{25}) \)

B.\((\frac{-16}{25}, \frac{6}{25}) \)

C.\((\frac{16}{25}, \frac{-6}{25}) \)

D.\((\frac{-18}{25}, \frac{-6}{30}) \)

Question 9 of 10

Math-Exponents

10. Simplify the given exponential expression.

\((7v - 6w)^{18} \cdot (7v - 6w)^{17}\)

A.\((7v − 6w)^{35} \)

B.\(-(7v − 6w)^{35} \)

C.\((7v + 6w)^{35} \)

D.\(-(7v + 6w)^{35} \)

Question 10 of 10