Math Test Set 11

Each question has a few answer choices. Choose the best answer for each question. At the end of the quiz, you will see your results.

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1. 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 1 of 10

2. Is the following a function? Explain why or why not.

A.Yes, this does represent a function, because all the points are distinct (none of them are coincident.

B.No, this does not represent a function, since a function can not be made up of only points.

C.No, this does not represent a function, since it fails the vertical line test.

D.No, this does not represent a function, since a function is made up of many more points.

Question 2 of 10

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

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 3 of 10

Math-Evaluate expression

4. Evaluate a + |b−c| at a = −19.55, b = 5.62, and c = −5.21.

A.-8.72

B.8.72

C.-19.55

D.10.83

Question 4 of 10

Math- Equations

5. Solve the equation.

7x + 11 = 16 − 18x

A.\(\frac{1}{5}\)

B.\(-\frac{1}{5}\)

C.5

D.\(\frac{1}{15}\)

Question 5 of 10

Math-Square Roots

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

121

A.11, -11

B.10, 11

C.-10, 11

D.12, -12

Question 6 of 10

Math-Solution of equations

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

−2x − 2y = 26
−7x + y = 19

A.(-4,-9)

B.-(-4,-9)

C.(4,9)

D.(4,-9)

Question 7 of 10

8. Determine k so that the point (9, k) is a solution of y = −6x + 1.

A.k = −53

B.k = −54

C.k = 53

D.k = 54

Question 8 of 10

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

x + 9y = 46
7x − 4y = −27

A.(-1,5)

B.(-12,10)

C.(-2,10)

D.-(-1,5)

Question 9 of 10

Math-Word problems

10. Two less than eight times an unknown number is −74. Find the unknown number.

A.-9

B.9

C.-18

D.5

Question 10 of 10

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