Math Practice Test Set 9

Each question has a few answer choices. Choose the best answer for each question. At the end of the quiz, you will see your results.

Math-Solution of equations

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

x + 9y = 46
7x − 4y = −27

A.(-1,5)

B.(-12,10)

C.(-2,10)

D.-(-1,5)

Question 1 of 10

2. 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 2 of 10

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

x + 2y = −4
6x − 4y = −56

A.(-8, 2)

B.-(-8, 2)

C.(-16, 8)

D.(-2, 8)

Question 3 of 10

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

6x + y = 8
4x + 2y = 0

A.(2,-4)

B.-(2,-4)

C.(2,4)

D.8

Question 4 of 10

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

x − 4y = −37
2x − 8y = 54

A.No solutions

B.inifinite number of solutions

C.128

D.-128

Question 5 of 10

Math- Equations

6. Solve the given equation for x.

−x + 8 = 13

A.-5

B.5

C.-10

D.10

Question 6 of 10

7. Solve the given equation for x.

−10x − 16 = 24

A.-4

B.8

C.4

D.-2

Question 7 of 10

Math-Distributive Property

8. Use the distributive property to expand the given expression.

\(10s^{2}(−10s^{3} + 2s^{2} + 2s+ 8)\)

A.\(-100s^{5}+ 20s^{4} + 20s^{3} + 80s^{2}\)

B.\(100s^{5}+ 20s^{4} + 20s^{3} + 80s^{2}\)

C.\(-100s^{5} - 20s^{4} + 20s^{3} + 80s^{2}\)

D.\(100s^{5} + 20s^{4} + 20s^{3} - 80s^{2}\)

Question 8 of 10

Math-Word problems

9. Three more than eight times an unknown number is −29. Find the unknown number.

A.-4

B.4

C.5

D.-5

Question 9 of 10

Math-Evaluate expression

10. Evaluate the expression at the given value of x.

\(−3x^{2}− 6x + 3\) at \(x = 7 \)

A.-186

B.186

C.-198

D.198

Question 10 of 10

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