Math Practice Test Set 4 - My Career Tools

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1. If the four data points listed were added to the scatter plot, which point would be an outlier?

A.(10, 190)

B.(40, 125)

C.(75, 50)

D.(80, 220)

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. If x and y vary inversely, as y increases, what happens to the value of x?

A.Increases

B.Decreases

C.Stays the same

Question 3 of 10

4. \(\frac{x^{2}-y^{2}}{y^{2}-49} / \frac{y-x}{y+7}\)

Simplify.

A.\(\frac{y-x}{y-7}, x ≠ y, y ≠ - 7 \)

B.\(\frac{-x+y}{y-7}, x ≠ y, y ≠ - 7 \)

C.\(\frac{-x-y}{-y-7}, x ≠ y, y ≠ 7 \)

D.\(\frac{-x-y}{y-7}, x ≠ y, y ≠ - 7 \)

Question 4 of 10

5. \(\frac{a-1}{(a)^{2}-1}\)

Simplify.

A.\(\frac{1}{a}, a ≠ 0\)

B.\(\frac{1}{a-1}, a ≠ - 1\)

C.\(\frac{1}{1-a}, a ≠ 1\)

D.\(\frac{1}{a+1}, a ≠ 1\)

Question 5 of 10

Math-Distributive Property

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

\(2st(−4s^{2}+ 8st − 10t^{2})\)

A.\(-8s^{3}t + 16s^{2}t^{2}- 20st^{3}\)

B.\(8s^{3}t + 16s^{2}t^{2}- 20st^{3}\)

C.\(-10s^{3}t + 16s^{2}t^{2}- 20st^{3}\)

D.\(-8s^{3}t - 16s^{2}t^{2} +20st\)

Question 6 of 10

Math-Evaluate expression

7. Simplify the given expression.

\(-3^{5}\)

A.-243

B.243

C.238

D.-238

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-Exponents

9. Simplify the given exponential expression.

\(3^{4}\cdot 3^{0}\)

A.\(3^{4} \)

B.\(-3^{4} \)

C.\(3^{2} \)

D.\(-3^{2} \)

Question 9 of 10

Math-Square Roots

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

144

A.12, -12

B.10, -10

C.11, 12

D.-12, -10

Question 10 of 10