Math Test Set 11

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1. For the function graphed below, where is its output greater than 1? Assume 1 unit intervals for both axes.

A.x > 0

B.−∞ < x < ∞

C.y > 0

D.y > 2

Question 1 of 10

2. Factor. \(x^{2} − 81\)

A.(x + 9)(x − 9)

B.(x + 9)(x + 9)

C.(x − 9)(x − 9)

D.Unfactorable

Question 2 of 10

3. Where is the output of the function graphed below less than 2? Assume the horizontal axis represents and the vertical axis represents.

A.x < 2

B.−2 < y < 2

C.−2 < x < 2

D.y < 2

Question 3 of 10

4. \(\frac{7x^{2}-63}{x+3}\)

Simplify the expression.

A.\(\frac{x+3}{7}, x ≠ - 3\)

B.\(\frac{7x^{2}-9}{x},x ≠ - 3\)

C.7(x+3), x ≠ - 3

D.7(x-3), x ≠ - 3

Question 4 of 10

Math-Solution of equations

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

−2x − 2y = 26
−7x + y = 19

A.(-4,-9)

B.-(-4,-9)

C.(4,9)

D.(4,-9)

Question 5 of 10

Math- Equations

6. Solve the equation.

3(5x − 6) − 7(7x + 9) = 3

A.\(-\frac{42}{17}\)

B.\(-\frac{17}{42}\)

C.\(\frac{34}{84}\)

D.\(\frac{42}{18}\)

Question 6 of 10

Math-Evaluate expression

7. \(3x^{2} - 2y^{2}\) at \(x = −3\) and \(y = −2\)

A.19

B.27

C.-19

D.-27

Question 7 of 10

Math-Slope

8. Calculate the slope of the line passing through the points P and Q. Be sure to reduce your answer to lowest terms.

P(9, 0), Q(−9, 15)

A.\(-\frac{5}{6}\)

B.\(\frac{6}{5}\)

C.\(-\frac{6}{5}\)

D.\(\frac{5}{6}\)

Question 8 of 10

Math-Combining Like Terms

9. Combine like terms by first rearranging the terms, then using the distributive property to factor out the common variable part, and then simplifying.

−8 + 17n + 10 + 8n

A.2 + 25n

B.2n + 25

C.2 + 30n

D.4 + 25n

Question 9 of 10

Math-Distributive Property

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

\(-4(10t^{2} - 7t - 6)\)

A.\(-40t^{2} + 28t + 24 \)

B.\(-20t^{2} + 28t + 24 \)

C.\(40t^{2} + 28t + 24 \)

D.\(-40t^{2} - 28t + 24 \)

Question 10 of 10

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