Question

Find the x- and y-intercepts of the graph of 7x + 6y = 21. State your answers as

Answer 1

To find the x-intercept, set y=0 and solve for x.
To find the y-intercept, set x=0 and solve for y.

7x+6y=21

x-int: y=0
7x+6(0)=21
7x=21
x=3

y-int: x=0
7(0)+6y=21
6y=21
y=21/6 or 7/2