Question 260603
i need help on this problem it says in each case determine whether the lines are parallel, perpendicular or neither the problem is y= x+7
y=-x+2
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Find the slope of each line.
They're in slope-intercept form, y = mx + b.
y = x+7
m = +1
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y = -x+2
m = -1
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The slopes are negative inverses, so they're perpendicular.