Math Test Set 11

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1. \(\frac{7x^{2}-63}{x+3}\)

Simplify the expression.

A.\(\frac{x+3}{7}, x ≠ - 3\)

B.\(\frac{7x^{2}-9}{x},x ≠ - 3\)

C.7(x+3), x ≠ - 3

D.7(x-3), x ≠ - 3

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-Evaluate expression

3. Evaluate a − \(b^{2}\) at a = −2.9 and b = −5.4

A.-32.06

B.32.06

C.32.08

D.-29.16

Question 3 of 10

4. Simplify the given expression.

−| − 40|

A.-40

B.40

C.20

D.-20

Question 4 of 10

5. Evaluate a − (b − c) at a = −7.36, b = −17.6, and c = −19.07.

A.-8.83

B.-19.07

C.8.83

D.19.07

Question 5 of 10

Math-Percent to decimal

6. Convert the given percent to a decimal.

59.84%

A.0.5984

B.5.984

C.0.005984

D.59.84

Question 6 of 10

Math-Percent of number

7. 27 is what percent of 45?

A.60

B.0.6

C.30

D.45

Question 7 of 10

Math-Word problems

8. The quotient of two integers is 5. One of the integers is −2. Find the other integer.

A.-10

B.10

C.20

D.-20

Question 8 of 10

Math-Combining Like Terms

9. 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 9 of 10

Math-Exponents

10. Simplify the given exponential expression.

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

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

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

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

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

Question 10 of 10

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