SOLUTION: How do I determine whether the given equations are parallel or perpendicular by graphing y=-x+7 and y=x+3

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Question 950961: How do I determine whether the given equations are parallel or perpendicular by graphing y=-x+7 and y=x+3
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The two equations are in slope-intercept form allowing you to see the slope values.

Given slopes m%5Ba%5D and m%5Bb%5D,
lines are parallel if m%5Ba%5D=m%5Bb%5D;
lines are perpendicular if m%5Ba%5D%2Am%5Bb%5D=-1.