Question

]Identify the correct x intercept and y intercept of the equation x + 7y = -21.

Answer 1

to find x-intercepts, set y = 0

when y = 0
x + 7*0 = -21
x = -21

when x=0
0 + 7y = -21
y = -21/7 = -3

Answer 2

to find y-intercepts, set x=0. that's what I did above.