Math Test Set 11 - My Career Tools

Uncategorized

1. \(\frac{x^{2}-y^{2}}{y^{2}-49} / \frac{y-x}{y+7}\)

Simplify.

A.\(\frac{y-x}{y-7}, x ≠ y, y ≠ - 7 \)

B.\(\frac{-x+y}{y-7}, x ≠ y, y ≠ - 7 \)

C.\(\frac{-x-y}{-y-7}, x ≠ y, y ≠ 7 \)

D.\(\frac{-x-y}{y-7}, x ≠ y, y ≠ - 7 \)

Question 1 of 10

2. Choose the correct missing entry in the table for the function graphed below. Assume 1 unit intervals for both axes.

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

B.-1

C.1

D.This is not a function

Question 2 of 10

3. Jane has a collection of marbles, consisting of 3 red, 4 green, 4 blue, and 3 orange marbles. She has offered two of her friends, David and Malcolm, that they may take one marble each. What is the probability that Malcolm chooses a red marble, given that David has already chosen a red marble?

A.\(\frac{1}{7}\)

B.\(\frac{2}{13}\)

C.\(\frac{3}{14}\)

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

Question 3 of 10

Math-Percent to decimal

4. Convert the given percent to a decimal.

0.83%

A.0.0083

B.83

C.0.83

D.0.083

Question 4 of 10

Math-Percent of number

5. 37.5% of what number is 57?

A.152

B.57

C.150

D.60

Question 5 of 10

Math-Evaluate expression

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

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

A.36

B.-36

C.18

D.35

Question 6 of 10

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

|x| − |y| at x = −5 and y = 4

A.1

B.-1

C.0

D.2

Question 7 of 10

Math-Combining Like Terms

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

\(−14x^{3} + 16xy + 5x^{3} + 8xy\)

A.\(-9x^{3} + 24xy \)

B.\(-10x^{3} + 25xy\)

C.\(-9x^{3} + 24xy\)

D.\(9x^{3} + 24xy\)

Question 8 of 10

Math-Square Roots

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

441

A.21, -21

B.20, -20

C.22. -22

D.-15, 15

Question 9 of 10

Math- Equations

10. Solve the equation.

2(−2x − 3) = 3(−x + 2)

A.-12

B.12

C.13

D.-24

Question 10 of 10