Math Practice Test Set 8 - My Career Tools

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1. Choose the correct missing entry in the table for the function graphed below. Assume 1 unit intervals for both axes.

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

B.-1

C.1

D.This is not a function

Question 1 of 10

2. \(\frac{7x^{2}-63}{x+3}\)

Simplify the expression.

A.\(\frac{x+3}{7}, x ≠ - 3\)

B.\(\frac{7x^{2}-9}{x},x ≠ - 3\)

C.7(x+3), x ≠ - 3

D.7(x-3), x ≠ - 3

Question 2 of 10

3. \(\frac{a-1}{(a)^{2}-1}\)

Simplify.

A.\(\frac{1}{a}, a ≠ 0\)

B.\(\frac{1}{a-1}, a ≠ - 1\)

C.\(\frac{1}{1-a}, a ≠ 1\)

D.\(\frac{1}{a+1}, a ≠ 1\)

Question 3 of 10

Math-Percent of number

4. 30.8 is what percent of 40?

A.77

B.75

C.35

D.145

Question 4 of 10

5. 126.4% of what number is 158?

A.125

B.158

C.120

D.250

Question 5 of 10

Math-Combining Like Terms

6. Combine like terms by first rearranging the terms, then using the distributive property to factor out the common variable part, and then simplifying.

\(-2x^{3}− 19x^{2}y - 15x^{2}y + 11x^{3}\)

A.\(9x^{3} - 34x^{2}y \)

B.\(10x^{3} - 34x^{2}y \)

C.\(9x^{3} + 34x^{2}y \)

D.\(-9x^{3} - 34x^{2}y \)

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

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

|x − y| at x = 4 and y = 4

A.0

B.1

C.-1

D.2

Question 8 of 10

Math-Functions

9. Given f(x) = 3x⁴ + 5x³ − 9, evaluate f(−2).

A.-1

B.0

C.no solutions

D.1

Question 9 of 10

Math- Equations

10. Solve the equation.

5(5x − 2) = 4(8x + 1)

A.−2

B.2

C.4

D.0

Question 10 of 10