Math Test Set 11

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1. Factor. \(x^{2} − 2x − 24\)

A.(x + 6)(x − 4)

B.(x − 6)(x − 4)

C.(x − 6)(x + 4)

D.(x + 6)(x + 4)

Question 1 of 10

2. Suppose x varies inversely as y and x = 16 when y = 5. Find x when y = 20.

A.4

B.32

C.20

D.1

Question 2 of 10

3. What would be the slope of a line of best fit?

A.1

B.4

C.\(\frac{1}{4} \)

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

Question 3 of 10

4. Given the following set of numbers {1,1,1,1,2,3,4,5,5,5,5,6,7,8,8,8,8,8,9, 10} what is the probability of choosing a prime number, given that a factor of 36 is chosen?

A.\(\frac{7}{20}\)

B.\(\frac{2}{5}\)

C.\(\frac{1}{3}\)

D.\(\frac{2}{9}\)

Question 4 of 10

Math-Exponents

5. Simplify the given exponential expression.

\((3w^{9})^{4}\)

A.\(81w^{36} \)

B.\(-81w^{36} \)

C.\(80w^{36} \)

D.\(27w^{36} \)

Question 5 of 10

6. Simplify the given exponential expression.

\(x^{8}\cdot x^{3}\)

A.\(x^{11} \)

B.\(-x^{11} \)

C.\(x^{24} \)

D.\(-x^{24} \)

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.

−13 + 16m + m + 16

A.3 + 17m

B.5 + 17m

C.-3 + 17m

D.3 - 17m

Question 7 of 10

Math-Solution of equations

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

−3x − 5y = −34
7x + 7y = 56

A.(3,5)

B.15

C.(5,3)

D.- (3,5)

Question 8 of 10

Math-Distributive Property

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

\(-4(10t^{2} - 7t - 6)\)

A.\(-40t^{2} + 28t + 24 \)

B.\(-20t^{2} + 28t + 24 \)

C.\(40t^{2} + 28t + 24 \)

D.\(-40t^{2} - 28t + 24 \)

Question 9 of 10

Math-Percent of number

10. 60% of what number is 90?

A.150

B.90

C.75

D.145

Question 10 of 10

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