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What is the simplified form of each expression?
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1.
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a. | 1728 | b. |  | c. | 91 | d. |  |
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What is an algebraic expression for the word phrase?
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2.
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the sum of d and 8
a. | d – 8 | b. | d + 8 | c. |  | d. | 8d |
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3.
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the quotient of g and 12
a. |  | b. | 12g | c. | g –
12 | d. | g + 12 |
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4.
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4 times the sum of q and n
a. | 4 + q + n | b. | 4qn | c. | 4(q +
n) | d. | 4q + n |
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Simplify each expression.
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5.
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(–2 + 5c) + 7
a. | 5 + 12c | c. | 10c | b. | –2 + 12c | d. | 5 + 5c |
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6.
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7.
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8.
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9.
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Evaluate  , for u = 4, x = 10, y = 7,
and z = 2. a. | 28812 | b. | 24012 | c. | 26873856 | d. | 24010002 |
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10.
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Evaluate  for a = 10 and b = 4.
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What is the simplified form of each expression?
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11.
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 (–18 m + 42) a. | –54m +  | c. |  m +
126 | b. |  m +  | d. |  m +
42 |
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12.
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(–9 – c)(–1)
a. | –9 – c | b. | 9 + c | c. | –9 +
c | d. | 9 – c |
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13.
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a. | 5.7j2 +
0.2g | c. | 5.7j2 +
14.8g | b. | 2.1j2 +
0.2g | d. | 2.1j2 +
14.8g |
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14.
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15.
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16.
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Is (2, 6) a solution of the equation y = 3x?
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17.
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Simplify the expression  . What is the coefficient of the
simplified expression? a. | x | b. |  | c. | 3 | d. | y |
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18.
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A mountain climber ascends a mountain to its peak. The peak is 13,150 ft above
sea level. The climber then descends 200 ft to meet a fellow climber. Which expression could be used
to calculate the climber’s elevation above sea level after meeting the other climber.
a. | 13,150+200 | b. | 200-13,150 | c. | 13,150 x 200 | d. | 13,150+
(-200) |
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19.
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The temperature on a summer afternoon is 85°F. Evaluate your expression for
a decrease of 11 degrees Fahrenheit.
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20.
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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. Evaluate an expression for your balance at the beginning of the month.
a. | $74.90 | b. | $39.06 | c. | $105.56 | d. |
$69.72 |
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21.
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A new comedian is building a fan base. The table shows the number of people who
attended his shows in the first, second, third and fourth month of his career. Which graph could
represent the data shown in the table? Month | Total Number of
People | 1 | 119 | 2 | 214 | 3 | 385 | 4 | 693 | | |
a. |  | b. |  |
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22.
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Determine whether the relation is a function and select the reason why it is a
function.  a. |
The relation is not a function because the range repeats. | c. |
The relation is
a function because you can graph it. | b. |
The relation is a function because all the
domain elements are unique.
| d. |
The relation is not a function because it fails the vertical line
test. |
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23.
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Determine whether the relation is a function and select the reason why it is a
function.  a. | The relation is not a function because the range
repeats. | c. | The relation is a function because
you can graph it. | b. | The relation is a function because it passes
the vertical line test. | d. | The
relation is not a function because the domain repeats. |
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24.
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The function  represents the number of jumping jacks
j( x) you can do in x minutes. How many jumping jacks can you do in 5
minutes? a. | 195 jumping jacks | c. | 144 jumping jacks | b. | 7 jumping jacks | d. | 234 jumping
jacks |
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25.
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The function  represents the number of light bulbs
b( n) that are needed for n chandeliers. How many light bulbs are needed for 15
chandeliers? a. | 90 light bulbs | c. | 96 light bulbs | b. | 2 light bulbs | d. | 80 light bulbs |
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