Math Practice Test Set 5 - My Career Tools

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1. The relation graphed below is a function.

A.True

B.False

Question 1 of 10

2. An integer is randomly chosen from the following number line. Given that the number lies on B-E, what is the probability that it also lies on A-F?

A.\(\frac{7}{11}\)

B.\(\frac{2}{11}\)

C.1

D.\(\frac{4}{11}\)

Question 2 of 10

3. Factor. \(x^{2} − 81\)

A.(x + 9)(x − 9)

B.(x + 9)(x + 9)

C.(x − 9)(x − 9)

D.Unfactorable

Question 3 of 10

4. For the function graphed below, where is its output greater than 1? Assume 1 unit intervals for both axes.

A.x > 0

B.−∞ < x < ∞

C.y > 0

D.y > 2

Question 4 of 10

Math-Percent to decimal

5. Convert the given decimal to a percent.

0.85

A.85%

B.8.5%

C.0.85%

D.0.085%

Question 5 of 10

Math- Equations

6. Solve the equation.

13 − 9x = 11 − 5x

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

B.1

C.8

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

Question 6 of 10

Math-Evaluate expression

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

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

A.-72

B.72

C.-35

D.78

Question 7 of 10

Math-Solution of equations

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

−9x − 2y = 28
5x − 3y = −32

A.(-4, 4)

B.(-8, 4)

C.(-4)

D.16

Question 8 of 10

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

−3x − 5y = −34
7x + 7y = 56

A.(3,5)

B.15

C.(5,3)

D.- (3,5)

Question 9 of 10

Math-Percent of number

10. 126.4% of what number is 158?

A.125

B.158

C.120

D.250

Question 10 of 10