SOLUTION: vertex: ? focus point: ? equation of the axis of symmetry: ? equation of directrix: ? 2 random points on equation: ? y^2 + 8x + 8 = 0

Question 980451: vertex: ?
focus point: ?
equation of the axis of symmetry: ?
equation of directrix: ?
2 random points on equation: ?
y^2 + 8x + 8 = 0
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Best thing is use the derived equation for parabola translated from standard position, becomes for which the vertex is (h,k). The distance from vertex to either focus or directrix is absolute value of p.

This is concave to the left and has vertex (-1,0).
Axis of symmetry is .

Meaning the focus and directrix are both two units away from the point (-1,0). Focus must be on the concave side, so (-3,0) is the focus, and (1,0) is a point on the directrix. Directrix is .
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