math (parabola)
posted by Me .
Hi, the question is: Write the equation of the parabola with vertex(3,1) and xintercepts 2 and 4.
I did this:
y=?(x3)^21
How to find the avalue?
Many thanks, and I appreciate any answer!

y=a(x3)^21
xintercept 2 > the point (2,0) lies on it
0 = a(1)  1
a = 1
y=(x3)^21