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Learn about the vertex form of quadratic equations with Sal Khan.

Khan Academy

Learn how to solve quadratic equations by completing the square in this Khan Academy video tutorial.

خان اکیڈیمی - Khan Academy

Learn about linear equations in slope-intercept form on Khan Academy.

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My problem is that this isn't even the same parabola as the initial equation indicates. It may have the same vertex, and zeros, but the y intercept is completely different, and in fact, the entire curve is less divergent. The correct answer should be 4 (x-0.5)^2 = 0

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Graph quadratics in vertex form - Khan Academy