Question

What is the slope-intercept form of this equation? 3 x plus 9 y equals 18

a. y equals negative 1 third x plus 6
b. y equals negative 1 third x plus 2
c. y equals 1 third x plus 6
d. y equals 2 thirds x plus 2 open study?

Answer 1

3x + 9y = 18
divide through by 3:-
x + 3y = 6
3y = - x + 6
divide through by 3:
y = -1/3 x + 2

The answer is choice b