Question

Is the line through points P(–8, –10) and Q(–5, –12) perpendicular to the line through points R(9, –6) and S(17, –5)? Explain.

Answer 1

If the lines are perpendicular product of their slopes = -1

Answer 2

So find the slope first using:

\[m=\frac{ (y2-y1) }{ (x2-x1) }\]

Answer 3

Hope this helps..)

Answer 4

^thanks:)

Answer 5

Welcome...)buddy....