Question

The equation of line CD is y = 3x − 3. Write an equation of a line perpendicular to line CD in slope-intercept form that contains point (3, 1).

y = 3x + 0

y = −3x − 8

y = negative 1 over 3x + 2

y = − 1 over 3x + 0

Answer 1

The perpendicular should be with slope -1 /3 use that with the point they gave you to find the equation

Answer 2

Use point slope form

Answer 3

CD y = 3x -3 slope = 3
perpendicular lines the product of the slope = -1
slope of line perpendicular to CD = -1/3
line passes through (3, 1) and (x, y)
y - 1 = -1/3(x-3)
y = -1/3*x -1/3*(-3) + 1
simplify and match with answer choices

Answer 4

you should get choice c

Answer 5

I was motivating him to do it by himself so he can do easily with any other assignments