Math Test Set 11 - My Career Tools

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1. The graph below shows a function.

A.True

B.False

Question 1 of 10

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

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 2 of 10

3. What is the slope of the line of best fit?

A.-1

B.24

C.1

D.-24

Question 3 of 10

Math-Evaluate expression

4. \(3x^{2} - 2y^{2}\) at \(x = −3\) and \(y = −2\)

A.19

B.27

C.-19

D.-27

Question 4 of 10

Math-Percent of number

5. 7.2 is what percent of 16?

A.45

B.50

C.90

D.22

Question 5 of 10

Math-Square Roots

6. List all square roots of the given number. If the number has no square roots, choose “none”.

324

A.18, -18

B.20, -20

C.18, -19

D.22, -22

Question 6 of 10

Math-Slope

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

P(−18, 10), Q(−9, 7)

A.\(-\frac{1}{3}\)

B.\(\frac{3}{1}\)

C.\(1 \frac{-1}{3}\)

D.\( \frac{1}{3}\)

Question 7 of 10

Math-Solution of equations

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

2x + 3y = −2
−5x + 5y = 2

A.\((\frac{-16}{25}, \frac{-6}{25}) \)

B.\((\frac{-16}{25}, \frac{6}{25}) \)

C.\((\frac{16}{25}, \frac{-6}{25}) \)

D.\((\frac{-18}{25}, \frac{-6}{30}) \)

Question 8 of 10

9. 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 9 of 10

Math-Functions

10. Given f(x) = \(5x^{4} \)− 4x −6, evaluate f(−2).

A.82

B.81

C.-2

D.-164

Question 10 of 10