SOLUTION: How would I know if y = 2x - 3 and y = 2x + 4 is a perpendicular or a parallel line?
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Question 511601: How would I know if y = 2x - 3 and y = 2x + 4 is a perpendicular or a parallel line?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
the equations are in slope-intercept form, y = mx + b
___ where m (the coefficient of the x term) is the slope of the line
parallel lines have the same slope (as in this problem)
perpendicular lines have slopes that are negative-reciprocals of each other
___ like 4 and -1/4
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