SOLUTION: The instructions are decide whether the graphs of the two equations are parallel lines. How do i figure this out without graphing?
Ex: y = 2x - 1, y = -2x + 1
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Question 372182: The instructions are decide whether the graphs of the two equations are parallel lines. How do i figure this out without graphing?
Ex: y = 2x - 1, y = -2x + 1
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Both eqns are in slope-intercept form, y = mx + b
m is the slope.
If the two slopes are equal, they're parallel, o/w they're not.
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