Math Test Set 11 - 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 \(9x^{2}− 13x − 10\)

A.(3x + 5)(3x - 2)

B.(3x − 2)(3x + 5)

C.(9x + 5)(x − 2)

D.(9x + 10)(x − 1)

Question 2 of 10

3. If y varies inversely with x, and y = 40 when x = 16, find x when y = -5.

A.127

B.128

C.-128

D.-127

Question 3 of 10

Math-Solution of equations

4. Use the substitution method to solve each of the following systems.

6x − 8y = 24
y = 15 + 3x

A.(-8,-9)

B.-(-8,-9)

C.(8,-9)

D.(-16,18)

Question 4 of 10

Math-Percent of number

5. 200% of what number is 132?

A.66

B.65

C.130

D.33

Question 5 of 10

Math-Distributive Property

6. Use the distributive property to expand the given expression.

\(−2uw(10u^{2}− 7uw − 2w^{2})\)

A.\(-20u^{3}w + 14u^{2}w^{2} + 4uw^{3}\)

B.\(20u^{3}w + 14u^{2}w^{2} + 4uw^{3}\)

C.\(-20u^{3}w + 18u^{2}w^{2}\)

D.\(20u^{3}w - 14u^{2}w^{2}\)

Question 6 of 10

Math-Square Roots

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

−144

A.None

B.-12, 12

C.-6, 6

D.-24, 24

Question 7 of 10

Math- Equations

8. Solve the equation.

11 − 15x = 13 − 19x

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

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

C.8

D.1

Question 8 of 10

Math-Evaluate expression

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

|x − y| at x = 4 and y = 4

A.0

B.1

C.-1

D.2

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, 10), Q(−9, 7)

A.\(-\frac{1}{3}\)

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

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

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

Question 10 of 10