SOLUTION: what are the x- and y-intercepts of the line with equation 4x+5y+40?

Question 256838: what are the x- and y-intercepts of the line with equation 4x+5y+40?

Found 2 solutions by richwmiller, checkley77:
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
that is not an equation. Do you see an equal sign? Nothing is equated.
4x+5y+40=0 is an equation.
See the equal sign I equated one side with the other.
enter 0 for x and find y (y intercept)
enter 0 for y and find x (x intercept)
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
4x+5y+40
5Y=-4X+40
Y=-4X/5+40/5
Y=-4X/5+8
Y INTERCEPT=(0,8)
SETTING Y=0 WE SOLVE FOR X.
0=-4X/5+8
4X/5=8
4X=5*8
4X=40
X=40/4
X=10 ANS.
X INTERCEPT=(10,0)
(graph 300x200 pixels, x from -6 to 15, y from -10 to 10, -4x/5 +8).
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