SOLUTION: 16. Determine which two equations represent perpendicular lines. Hint: Remember what characteristic exist in equations representing lines that are perpendicular. (a) y = 8x �

Question 110377: 16. Determine which two equations represent perpendicular lines.
Hint: Remember what characteristic exist in equations representing lines that are perpendicular.
(a) y = 8x � 2
(b) y = x + 2
(c) y = � x + 2
(d) y = x � 2

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Notice if you multiply the slope of (b) and (c), you get

Since the product of the two slopes is -1, this means the two lines are perpendicular. The same applies to equations (c) and (d) (note: b and c are parallel)
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