How Do I Find the Vertex of a Quadratic Equation?
To find the vertex of a quadratic equation, put it in the form y = ax^2 + bx + c, then use the formula -b/(2a) for the x-coordinate, and plug that back into the equation for the y-coordinate.
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Just use (-b/2a, f(-b/2a)). Trust me, it's a lifesaver in exams!
For real! Completing the square is another method if you prefer a more visual approach.
The shortcut way? Use vertex form: y = a(x-h)^2 + k, where (h, k) is the vertex. Easy-peasy!
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