Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. l and n
B. l, m and n
C. No reflection symmetry
D. Only m
Answer: D
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Find the indicated maximum or minimum values by the linear programming method. The constraints are shown below the objective function.Maximum and minimum F:F = 2x - yx ? 1, y ? 07x + y ? 6x + 7y ? 6
A. Maximum: 
Minimum: 2
B. Maximum: 14
Minimum: 2
C. Maximum: 14
Minimum: 
D. Maximum: 
Minimum: 
Solve the absolute value equation.|9x - 8| = 6
A. x = - 
, - 
B. x = 
, 
C. x = - 
, - 
D. x = 
, 
Solve the problem.During a hurricane evacuation from the east coast of Georgia, a family traveled 
west. For part of the trip, they averaged 
but as the congestion got bad, they had to slow to 
If the total time of travel was 6 hours, how many miles did they drive at the reduced speed?
A. 50 mi B. 55 mi C. 65 mi D. 60 mi
Determine if the following is a linear equation in one variable. If not, state why not.
= 4x + 5
A. It is not a linear equation in one variable because it is nonlinear. B. It is not a linear equation in one variable because it has more than one variable. C. It is not a linear equation in one variable because it is not an equation. D. It is a linear equation in one variable.