Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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1
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Find  .
A |  | B |  | C | –5 | D | 15 |
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Simplify the expression.
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2
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3
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4
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Identify the vertex and the y-intercept of the graph
of the function  .
A | vertex: (–3, 2);
y-intercept:
–25 | C | vertex: (3, 2);
y-intercept:
–25 | B | vertex: (3, –2);
y-intercept:
–27 | D | vertex: (–3, –2);
y-intercept:
11 |
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5
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Which is the graph of  ?
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6
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Write  in vertex form.
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Use the Quadratic Formula to solve the
equation.
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7
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8
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A group of 45 people attended a ball game. There were twice
as many children as adults in the group. Set up a system of equations that represents the numbers of
adults and children who attended the game and solve the system to find the number of children who
were in the group.
A |  ; 15 adults, 30 children | C |  ; 30 adults, 15 children | B |  ; 22 adults; 30 children | D |  ; 30 adults; 22
children |
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9
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What is the solution to the following system of
equations?
A | (1, 4) | C | (3,
4) | B | (1, 2) | D | (4,
1) |
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10
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The function  models the height y in feet of
a stone t seconds after it is dropped from the edge of a vertical cliff. How long will it take
the stone to hit the ground? Round to the nearest hundredth of a second.
A | 5.28 seconds | C | 0.25
seconds | B | 7.47 seconds | D | 10.56
seconds |
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Use the elimination method to solve the
system.
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11
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A | (–1, 2) | B | (1,
–2) | C | (2, –1) | D | (–2,
1) |
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12
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Use a graphing calculator to solve the equation  . If necessary, round to the nearest hundredth.
A | –0.54, 5.54 | C | –2.77,
0.27 | B | –0.27, 2.77 | D | –1.52,
1.52 |
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Solve the equation by finding square
roots.
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13
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Solve the system by the method of
substitution.
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14
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A | (2, 1, 4) | B | (0, 1,
–4) | C | (0, –1, 4) | D | (0, 1,
4) |
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Solve the equation.
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15
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16
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17
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Find the additive inverse of  .
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Solve the proportion.
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18
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19
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Solve by factoring.
 = 0
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20
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Dalco Manufacturing estimates that its weekly profit,
P, in hundreds of dollars, can be approximated by the formula  , where x is the
number of units produced per week, in thousands.
| a. | How
many units should the company produce per week to earn the maximum profit? | | b. | Find the maximum weekly profit. | | |
A | 4,000 units; $600 | C | 2,000 units;
$600 | B | 4,000 units; $400 | D | 2,000 units;
$1200 |
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