Math Test Set 11 - My Career Tools

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1. What is the slope of the line of best fit?

A.-1

B.24

C.1

D.-24

Question 1 of 10

2. If the four data points listed were added to the scatter plot, which point would be an outlier?

A.(10, 190)

B.(40, 125)

C.(75, 50)

D.(80, 220)

Question 2 of 10

3. Factor thew expression \(x^{2} - 144\)

A.(x + 12)(x + 12)

B.\((x + 12)^{2}\)

C.(x - 12) (x + 12)

D.\((x - 12)^{2}\)

Question 3 of 10

Math-Evaluate expression

4. −6x − 1 at x = 1

A.-7

B.7

C.-6

D.12

Question 4 of 10

Math- Equations

5. Solve the given equation for x.

4x − 12 = −56

A.-11

B.-10

C.10

D.11

Question 5 of 10

6. Solve the given equation for x.

4x − 4 = 76

A.20

B.-20

C.19

D.40

Question 6 of 10

Math-Solution of equations

7. Which of the points (1, −1), (−2, 20), (−4, 31), and (−9, 64) is a solution of the equation y = −6x + 7?

A.(−4, 31)

B.(−2, 20)

C.(1, −1)

D.(−9, 64)

Question 7 of 10

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

x + 6y = −49
−3x + 4y = −7

A.(-7,-7)

B.-(7,-7)

C.49

D.(7,-7)

Question 8 of 10

Math-Inequalities

9. Solve the given inequality.

5x + 18 < 38

A.4

B.-4

C.\(\frac{2}{3}\)2/3

D.\(-\frac{3}{2}\)

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(0, 11), Q(16,−11)

A.\(-\frac{11}{8}\)

B.\(1\frac{3}{8}\)

C.\(\frac{11}{8}\)

D.\(\frac{8}{11}\)

Question 10 of 10