Math Test Set 11 - My Career Tools

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1. \(\frac{x-y}{x^{2}-2xy+y^{2}}\)

Simplify.

A.x + y

B.xy

C.\(\frac{1}{x} - y\)

D.x - y

Question 1 of 10

Math- Equations

2. Solve the equation.

2(2x − 9) + 5 = −7(−x − 8)

A.-23

B.23

C.-46

D.25

Question 2 of 10

3. Solve the equation.

2x − 2(4 − 9x) = 8(6x + 2)

A.\(-\frac{6}{7}\)

B.\(\frac{7}{6}\)

C.\(-\frac{7}{6}\)

D.\(\frac{12}{14}\)

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

Math-Evaluate expression

5. Evaluate a − \(b^{2}\) at a = −2.9 and b = −5.4

A.-32.06

B.32.06

C.32.08

D.-29.16

Question 5 of 10

Math-Percent to decimal

6. Convert the given decimal to a percent.

8.888

A.888.8%

B.88.88%

C.8.888%

D.0.8888%

Question 6 of 10

Math-Combining Like Terms

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

−8 + 17n + 10 + 8n

A.2 + 25n

B.2n + 25

C.2 + 30n

D.4 + 25n

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

Math-Word problems

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

A.2

B.-2

C.4

D.-3

Question 9 of 10

Math-Exponents

10. Simplify the given exponential expression.

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

A.\(2^{8} \)

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

C.\(2^{1} \)

D.\(1^{2} \)

Question 10 of 10