SOLUTION: Find the x- and y-intercepts of the graph. Do not graph the equation. y = x^2+ 3x - 28

Algebra ->  Linear-equations -> SOLUTION: Find the x- and y-intercepts of the graph. Do not graph the equation. y = x^2+ 3x - 28      Log On


   

Question 544536: Find the x- and y-intercepts of the graph. Do not graph the equation.
y = x^2+ 3x - 28
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
y=x^2+3x-28
y=(x+7)(x-4)
For x coordinate plug y=0
(x+7)(x-4)=0
x=-7 & 4 the x intercepts
For y intercept plug x=0
y=-28