What is the equation of the line in slope-intercept form of the line perpendicular to #y = 1/3x+5# through (2, 1)?
1 Answer
Jun 15, 2015
Line perpendicular to Line ý = x/3 + 5
Explanation:
The Line y2 perpendicular to Line y1, has as slope : -3.
y2 = -3x + b.
Find b by writing that Line y2 passing at point (2, 1):
1 = -3(2) = b -> b = 1 + 6 = 7
Line y2 = -3x + 7.