Solve the system by using substitution. Be sure to show all your work and include your answer as an ordered pair (x, y).
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Question 1
1.
Solve the system by graphing. Be sure to state your answer as an ordered pair (x, y).
Question 3
3.
Solve the system by using elimination. Be sure to show all your work and include your answer as an ordered pair (x, y).
Question 4
4.
Solve the system by using elimination. Be sure to show all your work and include your answer as an ordered pair (x, y).
Question 5
5.
Mark and Elisa each improved their yards by planting daylilies and ornamental grass. They bought their supplies from the same store. Mark spent $120 on 6 daylilies and 6 bunches of ornamental grass. Elisa spent $231 on 12 daylilies and 11 bunches of ornamental grass. Find the cost of one daylily and the cost of one bunch of ornamental grass.
Question 6
6.
Sketch the solution to the system of inequalities.