finish 3.4 PACKET that you started during class today.
y - y1 = m(x - x1)
y = mx + b
m = (y2-y1)/(x2-x1)
parallel slope = same
perpendicular slope = opposite reciprocal
y - y1 = m(x - x1)
y = mx + b
m = (y2-y1)/(x2-x1)
parallel slope = same
perpendicular slope = opposite reciprocal
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