Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Solve the system of linear equations using a graph.
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1.
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y = 3x – 12
y = 16 – x
a. | (7, 9) | c. | (5, 11) | b. | (2, –6) | d. | (5, 3) |
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2.
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y = –2 x – 8 y =  x + 3
a. | (2,  ) | c. | (7,  ) | b. | (–4,
0) | d. | (3,
–14) |
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3.
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y = 2 x + 6 y =  x –
3
a. | (1,  ) | c. | (4,  ) | b. | (–6,
–6) | d. | (7,
20) |
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Solve the system of linear equations by substitution. Check your
solution.
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4.
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a. | (3, 20) | c. | (24, 47) | b. | (6, 29) | d. | (4, 27) |
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5.
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6.
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Solve the system of linear equations by elimination. Check your
solution.
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7.
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8.
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9.
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Solve the system of linear equations.
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10.
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a. | no solution | c. | (3, –2) | b. | (1, –4) | d. | all the points on the line  |
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11.
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a. | (8,  ) | c. | all the points on the line  | b. | (16,  ) | d. | no solution |
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12.
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a. | (12,  ) | c. | all the points on the line  | b. | (24,  ) | d. | no solution |
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Use a graph to solve the equation. Check your solution.
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13.
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0.5x + 6 = 4x – 8
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14.
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 x + 2 = – x + 14
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Numeric Response
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1.
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The table shows the purchases of two customers at a concession stand at the
basketball game. You want to buy 10 drinks and 6 burgers for you and your friends. How much do you
expect to pay? | | Hamburgers | Drinks | Total
Cost | Customer 1 | 7 | 8 | $34.50 | Customer
2 | 2 | 7 | $15.75 | | | | |
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2.
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A soccer team has 3 more boys and three-fourths as many girls as last year. The
number of players on the team is the same as last year. How many girls were on the team last
year?
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Short Answer
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1.
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A middle school has a speech club with a total of 14 students. The ratio of
girls to boys is 3 : 4. How many girls are in the speech club? How many boys are in the speech club?
Justify your answers.
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