Question

Graph each equation using the intercept method and graph number 33

Answer 1

33) To graph:

3x + 4y = 12

First find the y-intercept by substituting x=0 and then solve for y

That is;

3(0) + 4y = 12

4y = 12

Divide both-side of the equation by 4

y= 3

y-intercept is (0, 3)

Similarly,

To get the x-intercept, substitute y=0 and then solve for x

3x + 4(0) = 12

3x = 12

Divide both-side by 3

x=4

The x-intercept is (4,0)