SOLUTION: What are the x- and y-intercepts of the graph of {{{x^2+3x=9}}}

Algebra ->  Graphs -> SOLUTION: What are the x- and y-intercepts of the graph of {{{x^2+3x=9}}}      Log On


   

Question 324740: What are the x- and y-intercepts of the graph of x%5E2%2B3x=9
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
y=x%5E2%2B3x
y=x%28x%2B3%29
To find the x-intercept, set y=0 and solve for x.
x%28x%2B3%29=0}
Two solutions:
x=0
.
.
.
x%2B3=0
x=-3
(0,0)
(-3,0)
.
.
.
To find the y-intercept, set x=0 and solve for y.
y=0%280%2B3%29=0
(0,0)