Math Practice Test Set 4 - My Career Tools

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1. Given the following set of numbers {1,1,1,1,2,3,4,5,5,5,5,6,7,8,8,8,8,8,9, 10} what is the probability of choosing a prime number, given that a factor of 36 is chosen?

A.\(\frac{7}{20}\)

B.\(\frac{2}{5}\)

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

D.\(\frac{2}{9}\)

Question 1 of 10

2. Factor. \(y^{2} - 36\)

A.(y − 6)(y − 6)

B.(y + 6)(y − 6)

C.(y + 6)(y + 6)

D.−(y + 6)(y + 6)

Question 2 of 10

3. Factor. \(6x^{2} - 19x +10\)

A.(3x − 10)(2x + 1)

B.(6x − 5)(x − 2)

C.(3x − 5)(2x − 2)

D.(3x − 2)(2x − 5)

Question 3 of 10

4. Which equation is a direct variation?

A.y = − 0.7x

B.y= \(\frac{21}{x}\)

C.y-x=4

D.y=3x+2

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

6. Factor the expression. \(16r^{2} − 56r + 49\)

A.\((8r − 7)(2r − 7)\)

B.\((16r − 7)(r − 7)\)

C.\((4r − 49)(4r − 1)\)

D.\((4r − 7)(4r − 7) = (4r − 7)^{2}\)

Question 6 of 10

Math-Percent of number

7. What number is 18.4% of 125?

A.23

B.24

C.11.5

D.46

Question 7 of 10

Math-Functions

8. Given f(x) = 3x⁴− 5x² + 8, evaluate f(−1).

A.6

B.-6

C.5

D.12

Question 8 of 10

Math-Percent to decimal

9. Convert the given percent to a decimal.

8%

A.0.08

B.0.8

C.0.008

D.80

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(−18, 8), Q(3,−10)

A.\(-\frac{6}{7}\)

B.\(\frac{7}{6}\)

C.\(-\frac{7}{6}\)

D.\(\frac{1}{26}\)

Question 10 of 10