Math Practice Test Set 9 - My Career Tools

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1. Which equation is a direct variation?

A.y = − 0.7x

B.y= \(\frac{21}{x}\)

C.y-x=4

D.y=3x+2

Question 1 of 10

2. A garden hose is used to fill a swimming pool. In 15 minutes, 195 gallons of water are added to the pool and this rate (gallons per minute) remains constant. If this information was graphed, what would be the slope of the graph?

A.\(\frac{15}{195} \)

B.13

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

D.\(\frac{39}{3} \)

Question 2 of 10

3. 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 3 of 10

Math-Percent of number

4. 50% of what number is 58?

A.116

B.58

C.115

D.230

Question 4 of 10

Math-Percent to decimal

5. Convert the given percent to a decimal.

28%

A.0.28

B.2.8

C.0.028

D.0.0028

Question 5 of 10

Math-Functions

6. Given f(x) = \(5x^{4} \)− 4x −6, evaluate f(−2).

A.82

B.81

C.-2

D.-164

Question 6 of 10

Math-Exponents

7. Simplify the given exponential expression.

\((−2y)^{3}\)

A.\(-8y^{3} \)

B.\(8y^{3} \)

C.\(-7y^{3} \)

D.\(-16y^{3} \)

Question 7 of 10

8. Simplify the given exponential expression.

\(x^{8}\cdot x^{3}\)

A.\(x^{11} \)

B.\(-x^{11} \)

C.\(x^{24} \)

D.\(-x^{24} \)

Question 8 of 10

Math-Solution of equations

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

x − 3 = 6; 9, 16, 10, 12

A.9

B.3

C.1

D.8

Question 9 of 10

Math- Equations

10. Solve the equation.

2x − 4(4 − 9x) = 4(7x + 8)

A.\(\frac{24}{5}\)

B.\(\frac{5}{24}\)

C.\(\frac{12}{5}\)

D.\(\frac{5}{12}\)

Question 10 of 10