Math Test Set 11 - My Career Tools

Uncategorized

1. \(\frac{7x^{2}-63}{x+3}\)

Simplify the expression.

A.\(\frac{x+3}{7}, x ≠ - 3\)

B.\(\frac{7x^{2}-9}{x},x ≠ - 3\)

C.7(x+3), x ≠ - 3

D.7(x-3), x ≠ - 3

Question 1 of 10

2. Which equation is a direct variation?

A.y = − 0.7x

B.y= \(\frac{21}{x}\)

C.y-x=4

D.y=3x+2

Question 2 of 10

3. \(\frac{x^{2}+3}{x(x+5)}\)

Find the values that make this rational expression undefined.

A.x = 0 or −5

B.x = 0 or 7

C.x = 0 or 5

D.x = 2 or 4

Question 3 of 10

Math- Equations

4. Solve the equation.

2(6 − 2x) − (4x − 9) = 9

A.\(\frac{3}{2}\)

B.\(\frac{2}{3}\)

C.21

D.\(\frac{1}{21}\)

Question 4 of 10

Math-Solution of equations

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

9x − 9y = −63
2x − 6y = −34

A.(-2, 5)

B.(-3, 6)

C.(-2, 7)

D.(-1, 5)

Question 5 of 10

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

6x + y = 8
4x + 2y = 0

A.(2,-4)

B.-(2,-4)

C.(2,4)

D.8

Question 6 of 10

Math-Evaluate expression

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

−9x − 5 at x = −2

A.13

B.-13

C.26

D.-7

Question 7 of 10

8. Simplify the given expression.

\((-2)^{4}\)

A.16

B.8

C.-16

D.-8

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. The number −6 is 2 more than an unknown number. Find the unknown number.

A.-8

B.8

C.-4

D.4

Question 10 of 10