Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Determine whether is a
solution of the system of equations.
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2.
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Is (–4, 3) a solution of the following system
of equations?
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3.
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Solve by substitution:
a. | (4, –3) | d. | Dependent | b. | (–4,
–9) | e. | No solution | c. | (0,
–6) |
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4.
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Solve by the addition method.
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5.
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Solve
by the addition method:
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a. | (14, 12) | d. | Dependent | b. | (9,
9) | e. | No solution | c. | (4,
6) |
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6.
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Solve by the addition method:
a. | (–3,–8) | d. | (1,–4) | b. | Dependent. The
solutions satisfy . | e. | No
solution | c. | (5, 0) |
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7.
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Evaluate the determinant:
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8.
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A baker purchased 12 lb of wheat flour and 14 lb of
rye flour for a total cost of $18.16. A second purchase, at the same prices, included 14 lb of wheat
flour and 13 lb of rye flour. The cost of the second purchase was $18.72. Find the cost per pound of
the wheat flour and the rye flour.
a. | Wheat: $0.74; rye:
$0.65 | d. | Wheat: $0.67; rye:
$0.74 | b. | Wheat: $0.55; rye:
$0.74 | e. | Wheat: $0.65; rye: $0.74 | c. | Wheat: $0.65; rye: $0.71 |
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9.
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Graph the solution set.
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10.
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Graph the solution set.
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