Math Practice Test Set 6 - My Career Tools

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

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 1 of 10

2. \(\frac{x^{2}y-x^{5}y^{7}+x^{8}y^{4}}{x^{2}y}\)

Simplify.

A.\(1 - x^{3}y^{6} + x^{6}y^{3}, x,y ≠ 0\)

B.\(x^{4}y^{2} - x^{7}y^{8} + x^{10}y^{5}, x,y ≠ 0\)

C.\(x^{6}y^{3} - x^{3}y^{6} - 1, x,y ≠ 0 \)

D.\(xy - x^{3}y^{6} + x^{6}y^{3}, x,y ≠ 0 \)

Question 2 of 10

Math-Evaluate expression

3. Evaluate a + |b−c| at a = −19.55, b = 5.62, and c = −5.21.

A.-8.72

B.8.72

C.-19.55

D.10.83

Question 3 of 10

4. Simplify the given expression.

−12 + 6(−4)

A.-36

B.36

C.-24

D.24

Question 4 of 10

Math-Combining Like Terms

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

−13 + 16m + m + 16

A.3 + 17m

B.5 + 17m

C.-3 + 17m

D.3 - 17m

Question 5 of 10

Math- Equations

6. Solve the equation.

2(7 − 9x) − (2x − 8) = 7

A.\(\frac{3}{4}\)

B.\(\frac{4}{3}\)

C.1

D.\(\frac{4}{5}\)

Question 6 of 10

Math-Percent of number

7. 200% of what number is 132?

A.66

B.65

C.130

D.33

Question 7 of 10

Math-Solution of equations

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

6x + y = 8
4x + 2y = 0

A.(2,-4)

B.-(2,-4)

C.(2,4)

D.8

Question 8 of 10

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

9x − 9y = −63
2x − 6y = −34

A.(-2, 5)

B.(-3, 6)

C.(-2, 7)

D.(-1, 5)

Question 9 of 10

Math-Exponents

10. Simplify the given exponential expression.

\(4^{n} \cdot 4^{8n+3}\)

A.\(4^{9n+3} \)

B.\(-4^{9n+3} \)

C.\(4^{9n-3} \)

D.\(-4^{9n-3} \)

Question 10 of 10