Math Test Set 11

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1. This equation represents a direct variation.

2x = y

A.True

B.False

Question 1 of 10

2. Jesse grew 1.5 cm this year while Shaniqua grew 2.5 cm. This is an example of

A.correlation

B.causation

C.unrelated events

D.a and b

Question 2 of 10

3. 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 3 of 10

Math-Square Roots

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

529

A.23, -23

B.22, -22

C.24, -24

D.18, 19

Question 4 of 10

Math- Equations

5. Solve the equation.

2x − 4(4 − 9x) = 4(7x + 8)

A.\(\frac{24}{5}\)

B.\(\frac{5}{24}\)

C.\(\frac{12}{5}\)

D.\(\frac{5}{12}\)

Question 5 of 10

6. Solve the equation.

9x + 8 = 4 − 19x

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

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

C.6

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

Question 6 of 10

7. Solve the equation.

5(5x − 2) = 4(8x + 1)

A.−2

B.2

C.4

D.0

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.

\(-2x^{3}− 19x^{2}y - 15x^{2}y + 11x^{3}\)

A.\(9x^{3} - 34x^{2}y \)

B.\(10x^{3} - 34x^{2}y \)

C.\(9x^{3} + 34x^{2}y \)

D.\(-9x^{3} - 34x^{2}y \)

Question 8 of 10

Math-Evaluate expression

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

\(4x^{2} + 2x + 6\) at \(x = −6 \)

A.138

B.-138

C.75

D.-140

Question 9 of 10

10. Simplify the given expression.

48 ÷ 4(6)

A.72

B.65

C.12

D.36

Question 10 of 10

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