Multiple Choice Identify the
choice that best completes the statement or answers the question.
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Write an algebraic expression for the phrase.
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1.
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the sum of b and 11
a. | b – 11 | b. |  | c. | b + 11 | d. | 11b |
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2.
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the product of g and 4
a. | 4g | b. | g + 4 | c. |  | d. | g –
4 |
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3.
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4 times the sum of q and p
a. | 4q + p | b. | 4 + q + p | c. | 4qp | d. | 4(q +
p) |
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4.
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–2 times the quantity q minus 3
a. | –2q – 3 | b. | q(–2 –
3) | c. |  | d. | –2(q –
3) |
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Define a variable and write an expression for the phrase.
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5.
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the quotient of 6 times a number and 16
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6.
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4 minus a number
a. | 4 – n | b. | 4n | c. |  | d. |  |
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7.
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The total cost to rent a row boat is $18 times the number of hours the boat is
used. Write an equation to model this situation if c = total cost and h = number of
hours.
a. | c = 18h | b. | c – 18 = h | c. | h =
18c | d. |  |
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8.
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What equation models the data in the table if d = number of days and
c = cost?
a. | d = 22c | b. | c = 22d | c. | c = d +
22d | d. | c = d + 22 |
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9.
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An equilateral triangle has three sides of equal length. What is the equation
for the perimeter of an equilateral triangle if P = perimeter and s = length of a
side?
a. | s = 3P | b. | P = 3s | c. | P = 3 +
s | d. | P = 3(s + s + s) |
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10.
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Evaluate u + xy, for u = 18, x = 10, and y =
8.
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11.
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A pair of shoes costs $52.99 and the state sales tax is 8%. Use the formula
C = p + rp to find the total cost of the shoes, where C is the total
cost, p is the price, and r is the sales tax rate.
a. | $95.38 | b. | $60.99 | c. | $57.23 | d. | $78.19 |
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12.
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When simplifying an expression, you ____ perform operations inside grouping
symbols first.
a. | always | b. | sometimes | c. | never |
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13.
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Evaluate the expression  for a = 4 and b =
3.
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14.
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You can use the formula  to convert temperature in degrees
Fahrenheit, F, to temperature in degrees Celsius, C. What is 62°F in degrees
Celsius? Round your answer to the nearest tenth.
a. | 30°C | b. | 16.7°C | c. | 52.2°C | d. | 2.4°C |
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15.
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A rational number is ____ a real number.
a. | always | b. | sometimes | c. | never |
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16.
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Write the number 2.4 in the form  , using integers, to show that it is a
rational number.
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17.
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Simplify each element in the matrix. 
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18.
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Evaluate  for x = –2 and y = 3.
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Simplify the expression.
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19.
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20.
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21.
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22.
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–9 + 6
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23.
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–4.8 – (–4.9) + 5.7
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24.
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25.
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26.
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27.
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–6.5(–4.9)
a. | –16.25 | b. | –31.85 | c. | –12.25 | d. | 31.85 |
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28.
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29.
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30.
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 (–12 m + 38)
a. | m + 38 | c. | m +
76 | b. | –24m +  | d. | m +  |
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31.
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(–5 – c)(–1)
a. | –5 + c | b. | 5 + c | c. | 5 – c | d. | –5 –
c |
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32.
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33.
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34.
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3.7 – 1.8 – 3.67 + 4.4 – 1.34
a. | –7.51 | b. | –1.29 | c. | 1.29 | d. | 8.63 |
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35.
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36.
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a. | –18n + 81mn – 153np | c. | –2n + 9mn
– 17np | b. | –2n + 9m –
17p | d. | –2n
– 9mn + 17np |
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37.
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Evaluate the formula  for B = 9 in. 2 and
h = 32 in.
a. | 288 in.3 | b. | 9.6 in.3 | c. | 32 in.3 | d. | 96
in.3 |
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38.
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Name the set(s) of numbers to which 1.68 belongs.
a. | rational numbers | b. | natural numbers, whole numbers, integers,
rational numbers | c. | rational numbers, irrational numbers | d. | none of the
above |
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39.
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Name the set(s) of numbers to which –5 belongs.
a. | whole numbers, natural numbers, integers | b. | rational
numbers | c. | whole numbers, integers, rational numbers | d. | integers, rational
numbers |
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40.
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Which set of numbers is the most reasonable to describe the number of desks in a
classroom?
a. | whole numbers | c. | rational numbers | b. | irrational numbers | d. | integers |
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41.
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Order the numbers from least to greatest.  ,  , 
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42.
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The opposite of a negative number is ____ negative.
a. | always | b. | sometimes | c. | never |
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43.
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Write  ,  ,  in order from least to
greatest.
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44.
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45.
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Which number line model can you use to simplify –5 + 6?
a. |  –5 + 6 = 11 | b. |  –5 + 6
= 1 | c. |  –5 + 6 = –11 | d. |  –5 + 6
= 11 |
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46.
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A mountain climber ascends a mountain to its peak. The peak is 12,740 ft above
sea level. The climber then descends 200 ft to meet a fellow climber. Find the climber’s
elevation above sea level after meeting the other climber.
a. | 12,540 ft | b. | –12,540 ft | c. | 10,740 ft | d. | 12,940
ft |
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47.
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Evaluate –x + 2.7 for x = 0.9.
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48.
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The temperature on a summer afternoon is 85°F. Define a variable and write
an expression to find the temperature after it changes. Then evaluate your expression for a decrease
of 11 degrees Fahrenheit.
a. | 11 + c; 11 + (–85) = 96 | c. | 11 – c; 11 –
(–85) = 74 | b. | 85 + c; 85 + (–11) = 74 | d. | 85 – c; 85 – (–11) =
96 |
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49.
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Simplify 9 – 10 using a number line.
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50.
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Evaluate b – 2a – c for a = –7,
b = 3, and c = –7.
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51.
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The closing price of a share of stock in Company XYZ is $25.69 on Thursday. If
the change from the closing price on Wednesday is –$0.75, find the closing price on
Wednesday.
a. | $26.44 | b. | $24.94 | c. | $25.75 | d. | $25.06 |
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52.
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You made two deposits to your bank account this month. One deposit was $17.92,
and the second deposit was $15.33. Your balance at the end of the month is $72.31, and you made no
withdrawals. Write and evaluate an expression for your balance at the beginning of the month.
a. | $72.31 + ($17.92 – $15.33); $74.90 | b. | $72.31 –
$17.92 – $15.33; $39.06 | c. | $72.31 + $17.92 + $15.33;
$105.56 | d. | $72.31 – ($17.92 – $15.33); $69.72 |
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53.
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Evaluate x(–y + z) for x = 3, y = 3,
and z = 1.
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54.
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The expression  can be used to calculate the change in temperature in
degrees Fahrenheit for an increase in altitude a, measured in feet. A plane starts on the
ground and then rises 23,000 ft. Find the change in temperature at the altitude of the plane.
a. | 126.5 degrees | c. | –125 degrees | b. | –126.5 degrees | d. | 125 degrees |
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55.
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The product of two negative numbers is ____ positive.
a. | always | b. | sometimes | c. | never |
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56.
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–12 ¸ (–2)
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57.
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Evaluate  for m = –4, n = 2, and p =
1.5.
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58.
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If a is a negative number, then  is ____ equal to
–1.
a. | always | b. | sometimes | c. | never |
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59.
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Evaluate  for a =  and b =  .
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60.
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Simplify 7(499) using the Distributive Property.
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61.
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Use the Distributive Property to find the price of 7 CDs that cost $14.99
each.
a. | $105.00 | b. | $98.00 | c. | $104.93 | d. | $105.70 |
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62.
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For every real number x, y, and z, the statement 
is ____ true.
a. | always | b. | sometimes | c. | never |
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63.
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–10z – 28z
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Name the property the equation illustrates.
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64.
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a. | Inverse Property of Multiplication | b. | Multiplication Property of
–1 | c. | Identity Property of Addition | d. | Identity Property of
Multiplication |
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65.
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0 + x = x
a. | Identity Property of Addition | b. | Multiplication Property of
0 | c. | Commutative Property of Addition | d. | Inverse Property of
Multiplication |
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66.
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8 ´  = 1
a. | Identity Property of Division | b. | Inverse Property of
Addition | c. | Inverse Property of Multiplication | d. | Multiplication Property of
–1 |
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67.
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8.2 + (–8.2) = 0
a. | Inverse Property of Addition | b. | Addition Property of 0 | c. | Identity Property of
Addition | d. | Inverse Property of Multiplication |
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68.
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8 + 3.4 = 3.4 + 8
a. | Inverse Property of Addition | b. | Associative Property of
Addition | c. | Commutative Property of Addition | d. | Inverse Property of
Multiplication |
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69.
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7 + (4 + 4) = (7 + 4) + 4
a. | Inverse Property of Addition | b. | Associative Property of
Addition | c. | Commutative Property of Multiplication | d. | Commutative Property of
Addition |
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70.
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a. | Associative Property of Addition | b. | Commutative Property of
Multiplication | c. | Inverse Property of Multiplication | d. | Commutative Property of
Addition |
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71.
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(ab)3 = a(b3)
a. | Inverse Property of Multiplication | b. | Associative Property of
Addition | c. | Associative Property of Multiplication | d. | Commutative Property of
Multiplication |
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72.
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At the grocery store, you buy a carton of milk for $1.95, a loaf of bread for
$0.85, and a bag of cookies for $2.05. Use mental math to find the total cost of the
groceries.
a. | $5.15 | b. | $4.90 | c. | $5.00 | d. | $4.85 |
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73.
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What are the coordinates of point A? 
a. | (–1, 1) | b. | (1, 1) | c. | (–1, –1) | d. | (1,
–1) |
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74.
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In which quadrant or on which axis would you find the point (–2,
–4)?
a. | Quadrant III | b. | Quadrant II | c. | Quadrant IV | d. | y-axis |
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75.
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The point (a, b) is ____ in Quadrant II when a <
0.
a. | always | b. | sometimes | c. | never |
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76.
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Which of the scatter plots shows a positive correlation?
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77.
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Write the coordinates of the point that is 9 units to the left of the
y-axis and 6 units above the x-axis.
a. | (–9, 6) | b. | (9, 6) | c. | (–9, –6) | d. | (6,
–9) |
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Short Answer
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78.
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a. Write an equation to show how the amount
of money in a jar of nickels is related to the number of nickels in the jar.
b. If
the jar contains 40 nickels, how much money is this?
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79.
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Graph the points on the same coordinate plane. A(4, 4), B(3,
–1), C(–4, –1) 
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80.
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The population of an endangered animal species has been increasing. Make a
scatter plot using the data given in the table. Year | Population | 1 | 230 | 2 | 670 | 3 | 620 | 4 | 840 | 5 | 1400 | 6 | 1580 | | |

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Essay
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81.
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a. Simplify the following
expressions.
b. What is the sign of the final answer when the exponent is odd?
When the exponent is even? c. Use your answer from part (b) to simplify  .
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82.
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Justify each step. a. 7 + 2(x
– 3) + 5x | = 7 + 2x – 6 +
5x | b. | = 7 +
2x + (–6) + 5x | c. | = 7 + (–6) + 2x + 5x | d. | = 7 + (–6) + (2 + 5)x | e. | = 7 + (–6) +
7x | f. | = 1 +
7x | g. | =
7x + 1 | | |
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83.
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Simplify the expression. Justify each step. 13x – 4 +
9x
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Other
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84.
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Is the statement below true or false? If the statement is false,
give a counterexample. All real numbers are rational.
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85.
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Is the following statement true or false for all values of
a and b? If false, give a counterexample. 
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