Math Practice Test Set 4 - My Career Tools

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

A.-1

B.24

C.1

D.-24

Question 1 of 10

Math-Word problems

2. Alan’s scores on his first three exams are 79, 61, and 54. What must Alan score on his next exam to average 71 for all four exams?

A.90

B.-90

C.180

D.-45

Question 2 of 10

Math-Solution of equations

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

9x + 4y = −4
−7x − 9y = 3

A.\((\frac{-24}{53}, \frac{1}{53}) \)

B.\((\frac{24}{53}, \frac{1}{53}) \)

C.\((\frac{24}{53}, \frac{-1}{53}) \)

D.\((\frac{-25}{50}, \frac{1}{50}) \)

Question 3 of 10

4. 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 4 of 10

Math- Equations

5. Solve the equation.

13 − 9x = 11 − 5x

A.\(\frac{1}{2}\)

B.1

C.8

D.\(-\frac{1}{2}\)

Question 5 of 10

6. Solve the equation.

11 − 15x = 13 − 19x

A.\(\frac{1}{2}\)

B.\(-\frac{1}{2}\)

C.8

D.1

Question 6 of 10

Math-Percent of number

7. What number is 85% of 100?

A.85

B.0.85

C.83

D.190

Question 7 of 10

8. 162.5% of what number is 195?

A.120

B.110

C.240

D.195

Question 8 of 10

Math-Square Roots

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

441

A.21, -21

B.20, -20

C.22. -22

D.-15, 15

Question 9 of 10

Math-Slope

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

P(0, 11), Q(16,−11)

A.\(-\frac{11}{8}\)

B.\(1\frac{3}{8}\)

C.\(\frac{11}{8}\)

D.\(\frac{8}{11}\)

Question 10 of 10