Decide whether the ordered pair is a solution of the given system.(-4, 1)x + y = -3x - y = -5
A. Yes
B. No
Answer: A
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Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of feasible points. 
z = 9x + 10y. Find minimum.
A. minimum: 68 B. minimum: 56 C. minimum: 57 D. no minimum
Solve the problem.One year ago, Tony and May bought a house. Today it is valued at $115,088, down 5% from the amount they paid. How much did they pay for the house?
A. $121,135 B. $122,145 C. $121,145 D. $121,045
List the intercepts of the graph.Tell whether the graph is symmetric with respect to the x-axis, y-axis, origin, or none of these. 
A. intercepts: (0, -1) and (0, 1) symmetric with respect to x-axis, y-axis, and origin B. intercepts: (0, -1) and (0, 1) symmetric with respect to y-axis C. intercepts: (-1, 0) and (1, 0) symmetric with respect to origin D. intercepts: (-1, 0) and (1, 0) symmetric with respect to x-axis, y-axis, and origin
Determine the number of solutions to the given system without graphing.
A. no solution B. one solution C. infinite number of solutions