Math Test Set 11

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1. \(\frac{8}{y+6}\)

Find the value that makes this rational expression undefined.

A.y = − 4

B.y = 0

C.y = 3

D.y = − 6

Question 1 of 10

Math-Percent of number

2. 60% of what number is 90?

A.150

B.90

C.75

D.145

Question 2 of 10

Math-Square Roots

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

−144

A.None

B.-12, 12

C.-6, 6

D.-24, 24

Question 3 of 10

Math-Exponents

4. Simplify the given exponential expression.

\((−2y)^{3}\)

A.\(-8y^{3} \)

B.\(8y^{3} \)

C.\(-7y^{3} \)

D.\(-16y^{3} \)

Question 4 of 10

5. Simplify the given exponential expression.

\((3w^{9})^{4}\)

A.\(81w^{36} \)

B.\(-81w^{36} \)

C.\(80w^{36} \)

D.\(27w^{36} \)

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-Solution of equations

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

x − 4y = −37
2x − 8y = 54

A.No solutions

B.inifinite number of solutions

C.128

D.-128

Question 8 of 10

9. Determine k so that the point (9, k) is a solution of y = −6x + 1.

A.k = −53

B.k = −54

C.k = 53

D.k = 54

Question 9 of 10

Math-Percent to decimal

10. Convert the given percent to a decimal.

59.84%

A.0.5984

B.5.984

C.0.005984

D.59.84

Question 10 of 10

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