Questions

1)

Evaluate.

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2)

Evaluate.

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3)

Evaluate.

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4)

Evaluate "s + t + u + v" if s = 2.6, t = –3.1, u = 2.9, and v = –8.5.

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5)

Evaluate: –4 + 13

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6)

Evaluate: 10 – (–8)

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7)

Evaluate: 7 – 21

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8)

Evaluate.

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9)

Evaluate: 4(–7)(–2)

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10)

Simplify: 5a – 8b – 3a + 4b

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11)

Simplify: 10x + 4n – 6x – 9n

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12)

Simplify: (9y + 4x – 6) – (y – 2x + 4)

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13)

Simplify: 3(x – 2y)

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14)

Simplify.

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15)

Simplify.

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16)

Solve: –9x = 54

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17)

Solve: 3x – 6 = –15

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18)

Solve: 14 – x = 4

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19)

Solve for “x.”

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20)

Solve: 8x – 4 = 5x + 11

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21)

Solve: 6(x + 5) = –2(x – 3)

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22)

Solve: 4n = 8 – 2(n + 1)

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23)

Solve the inequality.

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24)

Solve the inequality.

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25)

Solve the inequality.

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26)

Explain the error made in simplifying (6y + 3) – (2y – 1) = 4y + 2, and then give the correct simplified form.

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27)

Which property is illustrated by the following statement?

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28)

Which property is illustrated by the following statement?

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29)

Which property is illustrated by the following statement?

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30)

Write the equation of a line passing through (–7, 7) and (–6, 9) in slope-intercept form.

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31)

In slope-intercept form, write the equation of a line perpendicular to the equation below.

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32)

In the relation shown below, (a) what is the domain and (b) what is the range?

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33)

Solve the system by graphing.

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34)

Solve the system by elimination.

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35)

The girls' and boys' basketball teams sponsored a car wash that made $109. There were twice as many girls as boys working, so a decision was made to give the girls twice as much of the money. How much money did each team make? Write a system of equations to solve this problem and round the answers to the nearest cent.

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36)

Simplify.

A) Choice A

B) Choice B

C) Choice C

D) Choice D

37)

Simplify.

A) Choice A

B) Choice B

C) Choice C

D) Choice D

38)

Simplify.

A) Choice A

B) Choice B

C) Choice C

D) Choice D

39)

Simplify.

A) Choice A

B) Choice B

C) Choice C

D) Choice D

40)

The population in the U.S. was 248,718,301 in 1990 and was projected to grow at a rate of 8% per decade. State the multiplier and predict the population to the nearest whole number for the year 2020.

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41)

If 125 bacteria double every hour, predict the population after 6 hours.

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42)

Find the final amount of money that $1000 would generate if it was invested at 6% interest and compounded annually for 20 years. Round the answer to the nearest cent.

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43)

Jimmy crams for a Friday vocabulary test by learning 80 vocabulary words Thursday night. Each day Jimmy expects to forget 15% of the words known the day before. If the test is delayed from Friday to Monday, how many words will Jimmy remember if he does not review? Round the answer to the nearest whole number.

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44)

Factor the polynomial.

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45)

Factor the polynomial.

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46)

Factor the polynomial.

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47)

Factor the polynomial.

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48)

Solve the quadratic equation.

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49)

Solve the quadratic equation.

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50)

Solve the quadratic equation.

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