Math Practice Test Set 9

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1. Suppose y varies inversely with x and x = 12 when y = 3. What is the equation of the inverse variation?

A.\(\frac{y}{x}\) = 36

B.y = \(\frac{12}{3}\)

C.y = \(\frac{36}{x}\)

D.12 = \(\frac{3}{y}\)

Question 1 of 10

2. If x and y vary inversely, as y increases, what happens to the value of x?

A.Increases

B.Decreases

C.Stays the same

Question 2 of 10

3. 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 3 of 10

Math-Inequalities

4. Solve the given inequality.

5x + 18 < 38

A.4

B.-4

C.\(\frac{2}{3}\)2/3

D.\(-\frac{3}{2}\)

Question 4 of 10

Math-Word problems

5. The quotient of two integers is 9. One of the integers is −8. Find the other integer.

A.-72

B.72

C.-35

D.35

Question 5 of 10

6. The number −10 is −5 times larger than an unknown number. Find the unknown number.

A.2

B.-2

C.4

D.-3

Question 6 of 10

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

A.1

B.0

C.-1

D.2

Question 7 of 10

8. A student’s bank account is overdrawn. After making a deposit of $260, he finds that his account is still overdrawn by an amount of $70. What was his balance before he made his deposit?

A.−$330

B.$330

C.−$335

D.$335

Question 8 of 10

Math-Percent of number

9. 30.8 is what percent of 40?

A.77

B.75

C.35

D.145

Question 9 of 10

Math-Combining Like Terms

10. 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 10 of 10

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