Math Practice Test Set 5 - My Career Tools

Uncategorized

1. Factor: \(b^{2} − b − 20\)

A.(2b − 5)(b + 4)

B.(b − 5)(b + 4)

C.(b − 10)(b + 2)

D.(b + 5)(b − 4)

Question 1 of 10

2. \(\frac{x^{2}y-x^{5}y^{7}+x^{8}y^{4}}{x^{2}y}\)

Simplify.

A.\(1 - x^{3}y^{6} + x^{6}y^{3}, x,y ≠ 0\)

B.\(x^{4}y^{2} - x^{7}y^{8} + x^{10}y^{5}, x,y ≠ 0\)

C.\(x^{6}y^{3} - x^{3}y^{6} - 1, x,y ≠ 0 \)

D.\(xy - x^{3}y^{6} + x^{6}y^{3}, x,y ≠ 0 \)

Question 2 of 10

3. \(\frac{x-y}{x^{2}-2xy+y^{2}}\)

Simplify.

A.x + y

B.xy

C.\(\frac{1}{x} - y\)

D.x - y

Question 3 of 10

4. 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 4 of 10

Math-Percent of number

5. What number is 22.4% of 125?

A.28

B.27

C.56

D.14

Question 5 of 10

Math-Evaluate expression

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

\(5x^{2}− 4xy + 3y^{2}\) at \(x = 1\) and \(y = −4\)

A.69

B.-69

C.70

D.-68

Question 6 of 10

7. Simplify the given expression.

\(-(-2)^{5}\)

A.32

B.-32

C.16

D.-16

Question 7 of 10

Math-Solution of equations

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

27x − 6y = −96
−3x − 5y = 22

A.(-4,-2)

B.8

C.4

D.(-2,-4)

Question 8 of 10

Math-Slope

9. 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 9 of 10

Math-Word problems

10. 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 10 of 10