78.1k views
0 votes
-3(x-3)^2+3 find x-intercepts. solve step by step.

User Liberateur
by
8.2k points

1 Answer

6 votes
I'll assume this is y=-3(x-3)^2+3

to find the x-intercepts, set y=0 and solve for x:
0=-3(x-3)^2+3
-3=-3(x-3)^2
1=(x-3)^2
+/-1=x-3
+/-1 + 3 = x

x=4, x=2

this makes sense because if you look at the original equation, you see that plugging in these numbers for x, you get 0.
User Mmoss
by
7.7k points

No related questions found