Posted by Marissa on Tuesday, August 21, 2007 at 5:09pm.
1)Write an equation for the parabola with focus (1,3)and vertex(0,3)
answer= x= 1/4(y-3)^2
2)Write an equation for a circle if the endpoints of a diameter are at (1,1)and(1,-9)
3)Which is the equation of a circle with center (0,1)and radius 2 units?
1) correct for the vertex but I don't know about the focus
2) wrong ( I again plugged your equation into my calculator and I didn't get the diameter as what was given)
what do you mean?
for number 2
is it A?
Checking again..2 is fine
I was looking on the wrong side of the circle for the diameter points.
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