Question

−5x + 8y = 18.
a) Find the x-intercept
b)find the y-intercept

Answer 1

to find the x-intercept, set y=0 and calculate x
for y=0
-5x =18
x=-18/5
(-18/5,0)

to find the y-intercept, set x=0 and calculate y
for x=0
8y=18
y=18/8=9/4
(0,9/4)

Answer 2

for the y , i dont get it ?