Math Test Set 11

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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. If y varies inversely with x, and y = 40 when x = 16, find x when y = -5.

A.127

B.128

C.-128

D.-127

Question 2 of 10

Math-Evaluate expression

3. \(4x^{2} + 3xy + 4y^{2}\) at \(x = −3\) and \(y = 0\)

A.36

B.-36

C.11

D.-33

Question 3 of 10

Math-Square Roots

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

324

A.18, -18

B.20, -20

C.18, -19

D.22, -22

Question 4 of 10

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

121

A.11, -11

B.10, 11

C.-10, 11

D.12, -12

Question 5 of 10

Math-Inequalities

6. Solve the given inequality.

15x + 5 < 6x + 2

A.\(-\frac{1}{3}\)

B.\(-\frac{3}{1}\)

C.\(\frac{1}{-3}\)

D.\(1\frac{1}{3}\)

Question 6 of 10

Math-Percent to decimal

7. Convert the given percent to a decimal.

124%

A.1.24

B.12.4

C.0.124

D.124

Question 7 of 10

8. Convert the given decimal to a percent.

1.681

A.168.1%

B.1.681%

C.16.81%

D.0.1681%

Question 8 of 10

Math-Word problems

9. 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 9 of 10

Math- Equations

10. Solve the equation.

2(7 − 9x) − (2x − 8) = 7

A.\(\frac{3}{4}\)

B.\(\frac{4}{3}\)

C.1

D.\(\frac{4}{5}\)

Question 10 of 10

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