Math Test Set 11 - My Career Tools

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1. An integer is randomly chosen from the following number line. Given that the number lies on A-D, what is the probability that it also lies on B-C?

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

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

C.\(\frac{1}{9}\)

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

Question 1 of 10

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

Simplify.

A.x + y

B.xy

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

D.x - y

Question 2 of 10

Math-Combining Like Terms

3. Combine like terms by first rearranging the terms, then using the distributive property to factor out the common variable part, and then simplifying.

\(-14x^{2}y - 2xy^{2} + 8x^{2}y + 18xy^{2}\)

A.\(-6x^{2}y + 16xy^{2} \)

B.\(-6x^{2}y + 18xy^{2} \)

C.\(6x^{2}y + 16xy^{2} \)

D.\(-6x^{2}y - 16xy^{2} \)

Question 3 of 10

Math-Square Roots

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

256

A.16, -16

B.15, -15

C.32, -32

D.-15, 15

Question 4 of 10

Math-Evaluate expression

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

\(−3x^{2}− 6x + 3\) at \(x = 7 \)

A.-186

B.186

C.-198

D.198

Question 5 of 10

Math- Equations

6. Solve the equation.

6(−3x + 4) − 6 = −8(2x + 2) − 8

A.21

B.-21

C.20

D.-18

Question 6 of 10

7. Solve the given equation for x

12x − 15 = −3

A.1

B.2

C.-1

D.-2

Question 7 of 10

Math-Word problems

8. The number −15 is −5 times larger than an unknown number. Find the unknown number.

A.3

B.-3

C.6

D.-6

Question 8 of 10

Math-Distributive Property

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

\(10s^{2}(−10s^{3} + 2s^{2} + 2s+ 8)\)

A.\(-100s^{5}+ 20s^{4} + 20s^{3} + 80s^{2}\)

B.\(100s^{5}+ 20s^{4} + 20s^{3} + 80s^{2}\)

C.\(-100s^{5} - 20s^{4} + 20s^{3} + 80s^{2}\)

D.\(100s^{5} + 20s^{4} + 20s^{3} - 80s^{2}\)

Question 9 of 10

Math-Functions

10. Given f(x) = \(5x^{4} \)− 4x −6, evaluate f(−2).

A.82

B.81

C.-2

D.-164

Question 10 of 10