Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Use the graph of the equations to determine the solution (if any) of the system
of linear equations.
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2.
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Select the graphs of the equations  and approximate any
solutions of the system of linear equations.
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3.
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Select the graphs of the equations below and find solutions of the system of
linear equations (if any). 
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4.
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If possible, solve the system below by the method of substitution. 
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5.
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If possible, solve the system below by the method of elimination. Use the graph
to check the solution.  
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6.
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If possible, solve the system below by the method of elimination. 
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7.
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Solve the system of linear equations below by the method of
elimination. 
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8.
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Decide whether the system  is consistent or
inconsistent. a. | inconsistent | b. | consistent |
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9.
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Determine which ordered triple below is a solution of the system of linear
equations.   or 
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10.
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Use back-substitution to solve the system of linear equations below. 
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11.
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Find a system of linear equations below that has the point 
as a solution.  ,  ,  ,
 or 
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12.
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Form the coefficient matrix for the system of linear equations
below. 
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13.
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Write the system of linear equations represented by the augmented matrix below.
Use variables x, y, z, v, and w. 
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14.
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Use matrices to solve the system of linear equations below. 
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15.
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Use matrices to solve the system of linear equations below. 
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16.
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Use a determinant to find the area of the triangle with vertices  ,
 , and  .
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17.
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Match the system of linear inequalities below with its graph.  a. | Graph E | b. | Graph B | c. | Graph
D | d. | Graph A | e. | Graph C |
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18.
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Match the system of linear inequalities below with its graph. 
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19.
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Determine if the ordered pair  is a solution of the system
of linear inequalities  . a. | not a solution | b. | solution |
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20.
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Graph the system of linear inequalities below. 
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