Math Test Set 11

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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. 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 2 of 10

Math-Square Roots

3. 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 3 of 10

Math-Solution of equations

4. Determine k so that the point (k, 7) is a solution of y = −4x + 1.

A.\(k = \frac{-3}{2} \)

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

C.\(k = \frac{-3}{-2} \)

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

Question 4 of 10

5. 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 5 of 10

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

2x − 7y = −2
7x + 6y = 3

A.\((\frac{9}{61}, \frac{20}{61})\)

B.\(-(\frac{9}{61}, \frac{20}{61})\)

C.\((\frac{9}{61}, \frac{-20}{61}) \)

D.\((\frac{9}{81}, \frac{-20}{62}) \)

Question 6 of 10

Math-Distributive Property

7. Use the distributive property to expand the given expression.

\(−8u^{2}(−7u^{3}− 8u^{2}− 2u + 10) \)

A.\(56u^{5}+ 64u^{4} + 16u^{3}− 80u^{2} \)

B.\(-56u^{5}+ 64u^{4} + 16u^{3}− 80u^{2} \)

C.\(56u^{5} - 64u^{4} + 16u^{3}− 80u^{2} \)

D.\(56u^{5} + 64u^{4} + 16u^{3} + 80u^{2} \)

Question 7 of 10

Math-Word problems

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

A.-8

B.8

C.-4

D.4

Question 8 of 10

9. A student’s bank account is overdrawn. After making a deposit of $260, he finds that his account is still overdrawn by an amount of $70. What was his balance before he made his deposit?

A.−$330

B.$330

C.−$335

D.$335

Question 9 of 10

Math-Combining Like Terms

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

9n + 10 + 7 + 15n

A.24n + 17

B.25n + 20

C.-24n + 17

D.24n - 17

Question 10 of 10

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