Math Practice Test Set 10 - My Career Tools

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1. \(\frac{x^{2}-y^{2}}{y^{2}-49} / \frac{y-x}{y+7}\)

Simplify.

A.\(\frac{y-x}{y-7}, x ≠ y, y ≠ - 7 \)

B.\(\frac{-x+y}{y-7}, x ≠ y, y ≠ - 7 \)

C.\(\frac{-x-y}{-y-7}, x ≠ y, y ≠ 7 \)

D.\(\frac{-x-y}{y-7}, x ≠ y, y ≠ - 7 \)

Question 1 of 10

2. Where is the output of the function graphed below less than 2? Assume the horizontal axis represents and the vertical axis represents.

A.x < 2

B.−2 < y < 2

C.−2 < x < 2

D.y < 2

Question 2 of 10

Math-Evaluate expression

3. Simplify the given expression.

\((-2)^{4}\)

A.16

B.8

C.-16

D.-8

Question 3 of 10

Math-Word problems

4. Two less than nine times an unknown number is 7. Find the unknown number.

A.1

B.0

C.-1

D.2

Question 4 of 10

Math-Solution of equations

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

9x + 4y = −4
−7x − 9y = 3

A.\((\frac{-24}{53}, \frac{1}{53}) \)

B.\((\frac{24}{53}, \frac{1}{53}) \)

C.\((\frac{24}{53}, \frac{-1}{53}) \)

D.\((\frac{-25}{50}, \frac{1}{50}) \)

Question 5 of 10

6. Use the substitution method to solve each of the following systems.

−x + 4y = 22
8x + 7y = −20

A.(-6, 4)

B.(6, 4)

C.(-6, -4)

D.-(-12, 8)

Question 6 of 10

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

2x − 7y = −2
7x + 6y = 3

A.\((\frac{9}{61}, \frac{20}{61})\)

B.\(-(\frac{9}{61}, \frac{20}{61})\)

C.\((\frac{9}{61}, \frac{-20}{61}) \)

D.\((\frac{9}{81}, \frac{-20}{62}) \)

Question 7 of 10

Math-Distributive Property

8. Use the distributive property to expand the given expression.

\(2st(−4s^{2}+ 8st − 10t^{2})\)

A.\(-8s^{3}t + 16s^{2}t^{2}- 20st^{3}\)

B.\(8s^{3}t + 16s^{2}t^{2}- 20st^{3}\)

C.\(-10s^{3}t + 16s^{2}t^{2}- 20st^{3}\)

D.\(-8s^{3}t - 16s^{2}t^{2} +20st\)

Question 8 of 10

Math-Exponents

9. Simplify the given exponential expression.

\((7v - 6w)^{18} \cdot (7v - 6w)^{17}\)

A.\((7v − 6w)^{35} \)

B.\(-(7v − 6w)^{35} \)

C.\((7v + 6w)^{35} \)

D.\(-(7v + 6w)^{35} \)

Question 9 of 10

Math-Percent of number

10. 50% of what number is 58?

A.116

B.58

C.115

D.230

Question 10 of 10