Math Practice Test Set 1 - My Career Tools

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

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 1 of 10

2. Factor. \(x^{2} − 2x − 24\)

A.(x + 6)(x − 4)

B.(x − 6)(x − 4)

C.(x − 6)(x + 4)

D.(x + 6)(x + 4)

Question 2 of 10

Math-Word problems

3. Mark’s scores on his first three exams are 79, 84, and 71. What must Mark score on his next exam to average 74 for all four exams?

A.62

B.-62

C.63

D.-63

Question 3 of 10

4. The number −10 is −5 times larger than an unknown number. Find the unknown number.

A.2

B.-2

C.4

D.-3

Question 4 of 10

Math-Exponents

5. Simplify the given exponential expression.

\((3w^{9})^{4}\)

A.\(81w^{36} \)

B.\(-81w^{36} \)

C.\(80w^{36} \)

D.\(27w^{36} \)

Question 5 of 10

Math-Evaluate expression

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

|x − y| at x = 4 and y = 5

A.1

B.-1

C.2

D.-2

Question 6 of 10

7. Evaluate the expression at the given value of x.

\(4x^{2} + 2x + 6\) at \(x = −6 \)

A.138

B.-138

C.75

D.-140

Question 7 of 10

8. \(3x^{2} - 2y^{2}\) at \(x = −3\) and \(y = −2\)

A.19

B.27

C.-19

D.-27

Question 8 of 10

Math-Percent to decimal

9. Convert the given percent to a decimal.

36.5%

A.0.365

B.36.5

C.0.0365

D.3.65

Question 9 of 10

Math-Solution of equations

10. Which of the numbers following the given equation is a solution of the given equation?

x − 9 = 4; 16, 14, 20, 13

A.13

B.-13

C.4

D.9

Question 10 of 10