Math Test Set 11 - My Career Tools

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1. The amount varies inversely to y. Which equation expresses the given statement?

A.y = kx

B.x = ky

C.y = \(\frac{k}{x}\)

D.-x = \(\frac{k}{y}\)

Question 1 of 10

2. 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 2 of 10

Math-Evaluate expression

3. Simplify the given expression.

−12 + 6(−4)

A.-36

B.36

C.-24

D.24

Question 3 of 10

Math- Equations

4. Solve the given equation for x.

−x + 8 = 13

A.-5

B.5

C.-10

D.10

Question 4 of 10

5. Solve the equation.

5(5x − 2) = 4(8x + 1)

A.−2

B.2

C.4

D.0

Question 5 of 10

6. Solve the equation.

2(6 − 2x) − (4x − 9) = 9

A.\(\frac{3}{2}\)

B.\(\frac{2}{3}\)

C.21

D.\(\frac{1}{21}\)

Question 6 of 10

Math-Percent of number

7. What number is 18.4% of 125?

A.23

B.24

C.11.5

D.46

Question 7 of 10

Math-Solution of equations

8. Which of the points (1, −1), (−2, 20), (−4, 31), and (−9, 64) is a solution of the equation y = −6x + 7?

A.(−4, 31)

B.(−2, 20)

C.(1, −1)

D.(−9, 64)

Question 8 of 10

9. Use the substitution method to solve each of the following systems.

−x + 4y = 22
8x + 7y = −20

A.(-6, 4)

B.(6, 4)

C.(-6, -4)

D.-(-12, 8)

Question 9 of 10

10. Which of the points (−2, 12), (−1, 12), (3, −10), and (−2, 14) is a solution of the equation y = −5x + 4?

A.(−2, 14)

B.(3, −10)

C.(−2, 12),

D. (−1, 12)

Question 10 of 10