Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Solve the given system of equations.
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1.
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–8a = 12
4a + 8c = 0
7b + 1c =
18
a. | a = –1.50, b = 2.46, c = 0.75 | c. | a = 1.50,
b = 2.46, c = 0.75 | b. | a = –1.50, b = 0.75,
c = 2.46 | d. | a =
0.75, b = –1.50, c = 2.46 |
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Graph each system of equations and describe it as consistent and independent,
consistent and dependent, inconsistent, or none of these.
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2.
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a. | consistent and dependent | c. | inconsistent | b. | consistent and
independent | d. | none of
these |
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3.
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a. | consistent and dependent | c. | inconsistent | b. | consistent and
independent | d. | none of
these |
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4.
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Which is the solution of this system of equations? 4(  )   a. | ( 7, 8) | b. | ( 7, 6) | c. | There is no solution. | d. | There is an infinite number of
solutions. |
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