Question 359051
<pre><font size = 3 color = "indigo"><b>
Hi,
find the x and y intercepts of graph y=x^2 -9
y intercept (when x = 0)
(0,-9) 
x intercepts (when y = 0)
{{{0 = x^2 -9}}}
{{{x^2 = 9}}}
x = 3 
x = -3 (-3,0)
(3,0) ans (-3,0) are the x intercepts
{{{graph( 300, 300,-10,10,-10,10,x^2 - 9) }}}