Math Practice Test Set 9 - 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. 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. $a^{2} - 12a + 36$

A.(a - 6)(a - 6)

B.(12a + 1)(-2a + 6)

C.(a + 6)(a + 6)

D.(a - 12)(a + 6)

Question 3 of 10

Math-Solution of equations

4. 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 4 of 10

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

x + 8y = 41
−5x − 9y = −50

A.(1, 5)

B.- (1, 5)

C.1 (1, 5)

D.(1, - 5)

Question 5 of 10

Math-Combining Like Terms

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

$-14xy − 2x^{3} - 2x^{3} - 4xy$

A.$−18xy − 4x^{3} $

B.$−20xy − 4x^{3} $

C.$18xy − 4x^{3} $

D.$-18xy + 4x^{3} $

Question 6 of 10

Math-Square Roots

7. List all square roots of the given number. If the number has no square roots, choose “none”.

−289

A.None

B.2

C.1

D.5

Question 7 of 10

Math-Percent of number

8. What number is 200% of 15?

A.30

B.35

C.15

D.60

Question 8 of 10

Math-Word problems

9. A student’s bank account is overdrawn. After making a deposit of $360, he finds that his account is still overdrawn by an amount of $90. What was his balance before he made his deposit?

A.−$450

B.$450

C.$500

D.−$500

Question 9 of 10

Math-Evaluate expression

10. Simplify the given expression.

−(−50)

A.50

B.45

C.-50

D.1

Question 10 of 10