SOLUTION: find the vertex, focus, and directrix of the parabola given by each equation. Sketch the graph. (y � 1)^2 = 2x + 8

Question 1052024: find the vertex, focus, and directrix of the parabola given by each equation. Sketch the graph.

(y � 1)^2 = 2x + 8

Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
Similar to your other question like this.

, simple factorization;

This form and readable values should tell you that this parabola is of symmetry axis parallel to the x-axis, vertex point is a the far left of the graph and parabola opens to the right. (The parabola is HORIZONTAL).

Remember the equational form, ?

Vertex, you read right from the equation: (-4,1).

p is distance between vertex and either the focus or directrix.

---------you can find from this, the focus and the directrix.
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