Math Test Set 11

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1. 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 1 of 10

2. A teacher grades 5 tests in 30 minutes. If a graph was made to show the number of tests per hour that the
teacher can grade, what would be the slope of the graph?

A.6

B.\(\frac{1}{6} \)

C.60

D.10

Question 2 of 10

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

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 3 of 10

Math-Word problems

4. Mark’s scores on his first three exams are 79, 84, and 71. What must Mark score on his next exam to average 74 for all four exams?

A.62

B.-62

C.63

D.-63

Question 4 of 10

Math-Percent to decimal

5. Convert the given percent to a decimal.

8%

A.0.08

B.0.8

C.0.008

D.80

Question 5 of 10

Math-Combining Like Terms

6. Combine like terms by first using the distributive property.

\(17xy^{2}+ 18xy^{2} + 20xy^{2}\)

A.\(55xy^{2} \)

B.\(-55xy^{2} \)

C.\(5xy^{2} \)

D.\(50xy^{2} \)

Question 6 of 10

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

\(−14x^{3} + 16xy + 5x^{3} + 8xy\)

A.\(-9x^{3} + 24xy \)

B.\(-10x^{3} + 25xy\)

C.\(-9x^{3} + 24xy\)

D.\(9x^{3} + 24xy\)

Question 7 of 10

Math-Solution of equations

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

−32x + 7y = −238
8x − 4y = 64

A.(7,-2)

B.(7,2)

C.(6,-2)

D.(7,-6)

Question 8 of 10

Math- Equations

9. Solve the given equation for x.

5x − 14 = −79

A.−13

B.−14

C.6.5

D.13

Question 9 of 10

Math-Percent of number

10. 162.5% of what number is 195?

A.120

B.110

C.240

D.195

Question 10 of 10

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