Math Test Set 11

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1. The graph below shows a function.

A.True

B.False

Question 1 of 10

2. Factor thew expression \(x^{2} - 144\)

A.(x + 12)(x + 12)

B.\((x + 12)^{2}\)

C.(x - 12) (x + 12)

D.\((x - 12)^{2}\)

Question 2 of 10

3. Factor the expression. \(16r^{2} − 56r + 49\)

A.\((8r − 7)(2r − 7)\)

B.\((16r − 7)(r − 7)\)

C.\((4r − 49)(4r − 1)\)

D.\((4r − 7)(4r − 7) = (4r − 7)^{2}\)

Question 3 of 10

Math-Percent to decimal

4. Convert the given decimal to a percent.

0.85

A.85%

B.8.5%

C.0.85%

D.0.085%

Question 4 of 10

Math- Equations

5. Solve the given equation for x.

19x + 18 = 113

A.5

B.10

C.-5

D.-10

Question 5 of 10

6. Solve the equation.

12x + 9 = 4x + 7

A.\(-\frac{1}{4}\)

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

C.16

D.-16

Question 6 of 10

7. Solve the given equation for x.

4x − 4 = 76

A.20

B.-20

C.19

D.40

Question 7 of 10

Math-Word problems

8. Mark’s scores on his first three exams are 79, 84, and 71. What must Mark score on his next exam to average 74 for all four exams?

A.62

B.-62

C.63

D.-63

Question 8 of 10

Math-Solution of equations

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

9x + 4y = −4
−7x − 9y = 3

A.\((\frac{-24}{53}, \frac{1}{53}) \)

B.\((\frac{24}{53}, \frac{1}{53}) \)

C.\((\frac{24}{53}, \frac{-1}{53}) \)

D.\((\frac{-25}{50}, \frac{1}{50}) \)

Question 9 of 10

Math-Slope

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

−7x + 7y = 63

y = 6 − 2x

A.(-1, 8)

B.-(1,8)

C.(1.6)

D.(2,16)

Question 10 of 10

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