write the slope intercept form of the equation of the line perpendicular to x - 4y = -8 that passes threw (2,-7)

Answer 1

The product of slopes of perpendicular lines is -1, so the slope of the perpendicular line is

m = -1/(-1/-4) = -4

y = -4x + b

-7 = -4(2) + b

b = 1

y = -4x + 1