Math Test Set 12 - My Career Tools

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1. Factor. \(x^{2} − 81\)

A.(x + 9)(x − 9)

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

C.(x − 9)(x − 9)

D.Unfactorable

Question 1 of 10

2. Factor. \(y^{2} - 36\)

A.(y − 6)(y − 6)

B.(y + 6)(y − 6)

C.(y + 6)(y + 6)

D.−(y + 6)(y + 6)

Question 2 of 10

Math-Evaluate expression

3. \(-2x^{2} + 2y^{2}\) at \(x = 1\) and \(y = -2\)

A.6

B.-6

C.8

D.-3

Question 3 of 10

Math- Equations

4. Solve the given equation for x.

−10x − 16 = 24

A.-4

B.8

C.4

D.-2

Question 4 of 10

Math-Distributive Property

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

\(10s^{2}(−10s^{3} + 2s^{2} + 2s+ 8)\)

A.\(-100s^{5}+ 20s^{4} + 20s^{3} + 80s^{2}\)

B.\(100s^{5}+ 20s^{4} + 20s^{3} + 80s^{2}\)

C.\(-100s^{5} - 20s^{4} + 20s^{3} + 80s^{2}\)

D.\(100s^{5} + 20s^{4} + 20s^{3} - 80s^{2}\)

Question 5 of 10

Math-Exponents

6. Simplify the given exponential expression.

\((uw)^{5}\)

A.\(u^{5}w^{5} \)

B.\(5uw^{5} \)

C.\(u^{4}w^{6} \)

D.\(-5uw^{5} \)

Question 6 of 10

Math-Inequalities

7. Solve the given inequality.

2x − 9 ≥ 5 − 8x

A.\(\frac{7}{5}\)

B.\(\frac{5}{7}\)

C.\(\frac{14}{10}\)

D.\(\frac{10}{14}\)

Question 7 of 10

Math-Solution of equations

8. Determine k so that the point (k, 1) is a solution of y = 4x + 8.

A.\(k = \frac{-7}{4} \)

B.\(k = \frac{-7}{-4} \)

C.\(k = \frac{7}{-4} \)

D.\(k = \frac{7}{4} \)

Question 8 of 10

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

2x + 2y = 4
3x − 5y = 3

A.\((\frac{13}{8}, \frac{3}{8}) \)

B.\(-(\frac{13}{8}, \frac{3}{8}) \)

C.\((\frac{13}{9}, \frac{3}{9}) \)

D.\(-(\frac{13}{9}, \frac{3}{8}) \)

Question 9 of 10

Math-Word problems

10. The number −6 is 2 more than an unknown number. Find the unknown number.

A.-8

B.8

C.-4

D.4

Question 10 of 10