Use a graphing utility to solve the system of equations. Express the solution rounded to two decimal places.
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A)x = 0.64, y = 1.89 or (0.64, 1.89)
B)x = 0.48, y = 1.63 or (0.48, 1.63)
C)x = 0.22, y = 0.98 or (0.22, 0.98)
D)x = 1.14, y = 0.81 or (1.14, 0.81)

Question

Use a graphing utility to solve the system of equations. Express the solution rounded to two decimal places.
-
A)x = 0.64, y = 1.89 or (0.64, 1.89) 
B)x = 0.48, y = 1.63 or (0.48, 1.63) 
C)x = 0.22, y = 0.98 or (0.22, 0.98) 
D)x = 1.14, y = 0.81 or (1.14, 0.81)

Quizplus · Accepted Answer

Using a graphing utility, we can graph the two equations as y = 0.8x + 1.25 and y = -1.25x + 3.05. The point where these two lines intersect is approximately (0.64, 1.89), which is the solution to the system of equations. Therefore, the best choice is A.

Use a Graphing Utility to Solve the System of Equations