Math Practice Test Set 10

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1. Factor the expression. \(9x^{2} + 24x + 16\)

A.\((x + 4)(9x − 1)\)

B.\((3x + 16)(3x + 1)\)

C.\((3x + 4)^{2}\)

D.\((3x + 8)^{2}\)

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

3. Peter is dividing a regular deck of 52 cards in half and choosing a card at random. What is the probability of choosing a Jack, if he happens to divide the deck perfectly into black cards and red cards and then chooses from the red cards?

A.\(\frac{1}{13}\)

B.\(\frac{2}{13}\)

C.\(\frac{1}{2}\)

D.\(\frac{1}{4}\)

Question 3 of 10

Math-Combining Like Terms

4. Combine like terms by first using the distributive property.

\(17xy^{2}+ 18xy^{2} + 20xy^{2}\)

A.\(55xy^{2} \)

B.\(-55xy^{2} \)

C.\(5xy^{2} \)

D.\(50xy^{2} \)

Question 4 of 10

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

\(-14x^{2}y - 2xy^{2} + 8x^{2}y + 18xy^{2}\)

A.\(-6x^{2}y + 16xy^{2} \)

B.\(-6x^{2}y + 18xy^{2} \)

C.\(6x^{2}y + 16xy^{2} \)

D.\(-6x^{2}y - 16xy^{2} \)

Question 5 of 10

Math-Percent of number

6. 7.2 is what percent of 16?

A.45

B.50

C.90

D.22

Question 6 of 10

Math-Solution of equations

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

−8x + y = −56
4x + 3y = 56

A.(8,8)

B.(-8,-8)

C.(4,4)

D.(2,2)

Question 7 of 10

Math-Percent to decimal

8. Convert the given decimal to a percent.

0.14

A.14%

B.1.4%

C.0.14%

D.0.014%

Question 8 of 10

Math- Equations

9. Solve the equation.

9x + 8 = 4 − 19x

A.\(-\frac{1}{7}\)

B.\(\frac{1}{7}\)

C.6

D.\(1\frac{1}{7}\)

Question 9 of 10

10. Solve the equation.

2(2x − 9) + 5 = −7(−x − 8)

A.-23

B.23

C.-46

D.25

Question 10 of 10

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