Math Test Set 12 - My Career Tools

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1. This equation represents a direct variation.

2x = y

A.True

B.False

Question 1 of 10

2. The graph below shows a function.

A.True

B.False

Question 2 of 10

3. 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 3 of 10

4. The amount varies inversely to y. Which equation expresses the given statement?

A.y = kx

B.x = ky

C.y = $\frac{k}{x}$

D.-x = $\frac{k}{y}$

Question 4 of 10

Math-Word problems

5. 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 5 of 10

Math-Solution of equations

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

27x − 6y = −96
−3x − 5y = 22

A.(-4,-2)

B.8

C.4

D.(-2,-4)

Question 6 of 10

7. 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 7 of 10

Math-Distributive Property

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

$−8u^{2}(−7u^{3}− 8u^{2}− 2u + 10) $

A.$56u^{5}+ 64u^{4} + 16u^{3}− 80u^{2} $

B.$-56u^{5}+ 64u^{4} + 16u^{3}− 80u^{2} $

C.$56u^{5} - 64u^{4} + 16u^{3}− 80u^{2} $

D.$56u^{5} + 64u^{4} + 16u^{3} + 80u^{2} $

Question 8 of 10

Math-Evaluate expression

9. Simplify the given expression.

$-(-2)^{5}$

A.32

B.-32

C.16

D.-16

Question 9 of 10

Math-Percent of number

10. What number is 200% of 15?

A.30

B.35

C.15

D.60

Question 10 of 10