Substitution Worksheet With Answer Key - Waynesville R-Vi School District Page 33
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386-2 Substitution
The solution is (1, 5).
y = x + 5
y = x
2
y = x + 5
y = x
2
The lines have the same slope but different y-intercepts, so the lines are parallel. Since they do not intersect, there is
no solution of this system. The system is inconsistent.
x + y = 1
3y + 3x = 3
To graph the system, write both equations in slope-intercept form.
Page 33
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The two lines are identical, so there are an infinite number of solutions to the system. The system is dependent.
Coach Ross wants to take the soccer team out for pizza after their game. Her budget is at
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