Consider Line 1 with the equation: $y = 18$
Give the equation of the line parallel to Line 1 which passes through $(9,-4)$:
Give the equation of the line perpendicular to Line 1 which passes through $(9,-4)$:
Consider Line 2, which has the equation: $y = \frac{6}{5}x$
Give the equation of the line parallel to Line 2 which passes through $(-4,-1)$:
Give the equation of the line perpendicular to Line 2 which passes through $(-4,-1)$: