SOLUTION: What is the focus of the parabola with the equation (x - 1)^2 + 32= 8y?
Algebra
->
Quadratic-relations-and-conic-sections
-> SOLUTION: What is the focus of the parabola with the equation (x - 1)^2 + 32= 8y?
Log On
Algebra: Conic sections - ellipse, parabola, hyperbola
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Quadratic-relations-and-conic-sections
Question 145225
:
What is the focus of the parabola with the equation (x - 1)^2 + 32= 8y?
Answer by
solver91311(24713)
(
Show Source
):
You can
put this solution on YOUR website!
The equation of a parabola with axis parallel to the y-axis, vertex at (h,k), and focus at (h,k+p) is:
So, rearrange the given equation:
Add
to both sides:
Factor the 8 out of the right hand expression:
That puts the equation into the given form and you can see by inspection that the vertex is at (1,4)
Since
,
and the focus is at (1,6)