SOLUTION: calculate the point of intersection of graph y=-x^2-3x+4 and x+y=4 ?

Algebra ->  Functions -> SOLUTION: calculate the point of intersection of graph y=-x^2-3x+4 and x+y=4 ?       Log On


   

Question 598960: calculate the point of intersection of graph y=-x^2-3x+4 and x+y=4 ?
Answer by flame8855(424) About Me  (Show Source):
You can put this solution on YOUR website!
x+y = 4
y = 4-x
y = y
-x^2-3x+4= 4-x
-x^2-2x=0
x=0 , x= -2
(0, 4) (-2,6)
two points of intersection