Question

determine whether the given linear equations are parallel, perpendicular, or either.
y = -8x - 10 and y = 1/8x + 15
A, Parallel B. perpendicular C. neither D. not enough info

Answer 1

B. perpendicular

(-8) * (1/8) = -1

Answer 2

For perpendicular equations,
\[\huge Because \rightarrow m _{1}m _{2}=-1\]