SOLUTION: determine the x - intercept and y - intercept of the graph of the equation. x + y = 4

Algebra ->  Linear-equations -> SOLUTION: determine the x - intercept and y - intercept of the graph of the equation. x + y = 4      Log On


   

Question 55263This question is from textbook Algebra concepts and aplications
: determine the x - intercept and y - intercept of the graph of the equation.
x + y = 4 This question is from textbook Algebra concepts and aplications

Answer by tutorcecilia(2152) About Me  (Show Source):
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x + y = 4
x-intercept is at point (x,0), so let y=0 and solve for x
x+(0)=4
x=4
X-intercept = (4, 0)
Check:
4+0=4
4=4
.
y-intercept is at point (y,0), so let x=0 and solve for y
(0)+y=4
y=4
y-intercept = (0,4)
Check:
0+4=4
4=4