The Vertex of a Parabola
To find the vertex (h, k) of a parabola that is in standard form y = ax 2 + bx + c: Use h = -b/2a for finding h Substitute x = h in the given equation to find k.
In this blog post, we will provide you with a step-by-step guide on How to find the vertex of a parabola from standard form.
Sal rewrites the equation y=-5x^2-20x+15 in vertex form (by completing the square) in order to identify the vertex of the corresponding parabola. If you're seeing this message, it means we're having trouble loading external resources
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