Math Test Set 11

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1. 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 1 of 10

2. Factor. \(y^{2} - 36\)

A.(y − 6)(y − 6)

B.(y + 6)(y − 6)

C.(y + 6)(y + 6)

D.−(y + 6)(y + 6)

Question 2 of 10

3. What would be the slope of a line of best fit?

A.1

B.4

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

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

Question 3 of 10

4. \(\frac{x-7}{x^{2}-x-42}\)

Simplify this expression.

A.\(\frac{1}{x+7}, x ≠ - 6\)

B.\(\frac{1}{x+6}, x ≠ 6 \)

C.x + 7, x ≠ - 6,7

D.x + 6, x ≠ - 6,7

Question 4 of 10

5. \(\frac{x^{2}+3}{x(x+5)}\)

Find the values that make this rational expression undefined.

A.x = 0 or −5

B.x = 0 or 7

C.x = 0 or 5

D.x = 2 or 4

Question 5 of 10

Math-Percent of number

6. What number is 200% of 15?

A.30

B.35

C.15

D.60

Question 6 of 10

Math-Solution of equations

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

x = −5 − 2y
−2x − 6y = 18

A.(3,-4)

B.(4,3)

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

D.(6,-8)

Question 7 of 10

Math-Word problems

8. The number −5 is 8 more than an unknown number. Find the unknown number.

A.-13

B.-26

C.13

D.12

Question 8 of 10

9. Two less than eight times an unknown number is −74. Find the unknown number.

A.-9

B.9

C.-18

D.5

Question 9 of 10

Math-Distributive Property

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

\(9(−2b^{2} + 2b + 9)\)

A.\(−18b^{2} + 18b + 81 \)

B.\(18b^{2} + 18b + 81 \)

C.\(-18b^{2} - 18b + 81 \)

D.\(-18b^{2} + 18b + 21 \)

Question 10 of 10

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