Math Practice Test Set 8

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1. Typically, air temperature decreases through the night between midnight and 6:00 am. This is an example of what type of association?

A.constant association

B.positive linear association

C.negative linear association

D.no association

Question 1 of 10

2. Is the following a function? Explain why or why not.

A.Yes, this does represent a function, because all the points are distinct (none of them are coincident.

B.No, this does not represent a function, since a function can not be made up of only points.

C.No, this does not represent a function, since it fails the vertical line test.

D.No, this does not represent a function, since a function is made up of many more points.

Question 2 of 10

Math-Combining Like Terms

3. 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 3 of 10

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

\(-2x^{3}− 19x^{2}y - 15x^{2}y + 11x^{3}\)

A.\(9x^{3} - 34x^{2}y \)

B.\(10x^{3} - 34x^{2}y \)

C.\(9x^{3} + 34x^{2}y \)

D.\(-9x^{3} - 34x^{2}y \)

Question 4 of 10

Math-Word problems

5. Alan’s scores on his first three exams are 79, 61, and 54. What must Alan score on his next exam to average 71 for all four exams?

A.90

B.-90

C.180

D.-45

Question 5 of 10

Math-Evaluate expression

6. Evaluate the expression at the given value of x.

12x+ 10 at x = −12

A.-134

B.134

C.123

D.-144

Question 6 of 10

7. Simplify the given expression.

\(-(-2)^{5}\)

A.32

B.-32

C.16

D.-16

Question 7 of 10

Math-Percent of number

8. What number is 22.4% of 125?

A.28

B.27

C.56

D.14

Question 8 of 10

Math- Equations

9. Solve the given equation for x.

19x + 18 = 113

A.5

B.10

C.-5

D.-10

Question 9 of 10

Math-Inequalities

10. Solve the given inequality.

−10x − 4 ≤ 18

A.\(-\frac{11}{5}\)

B.\(-\frac{5}{11}\)

C.\(1\frac{5}{6}\)

D.\(-1\frac{5}{6}\)

Question 10 of 10

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