Math Practice Test Set 10 - My Career Tools

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1. The scatter plot shows what type of correlation?

A.low positive correlation

B.low negative correlation

C.high positive correlation

D.high negative correlation

Question 1 of 10

2. Peter is dividing a regular deck of 52 cards in half and choosing a card at random. What is the probability of choosing a Jack, if he happens to divide the deck perfectly into black cards and red cards and then chooses from the red cards?

A.\(\frac{1}{13}\)

B.\(\frac{2}{13}\)

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

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

Question 2 of 10

Math-Solution of equations

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

16x − 16y = −256
−8x + 8y = 128

A.Infinite number of solutions

B.no solutions

C.0

D.1

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-Percent to decimal

5. Convert the given percent to a decimal.

124%

A.1.24

B.12.4

C.0.124

D.124

Question 5 of 10

6. Convert the given decimal to a percent.

1.681

A.168.1%

B.1.681%

C.16.81%

D.0.1681%

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

Math- Equations

8. Solve the equation.

4(−7x+ 5) + 8 = 3(−9x − 1) − 2

A.33

B.-33

C.34

D.-28

Question 8 of 10

Math-Evaluate expression

9. Evaluate the expression at the given values of x and y.

\(-5x^{2} + 2y^{2}\) at \(x = 4\) and \(y = 2\)

A.-72

B.72

C.-35

D.78

Question 9 of 10

10. Simplify the given expression.

\((-2)^{4}\)

A.16

B.8

C.-16

D.-8

Question 10 of 10