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What is the formula to find the minimum or maximum value of a quadratic function?

What is the formula to find the minimum or maximum value of a quadratic function?

Grade:12

1 Answers

Vikas TU
14149 Points
7 years ago
Just differntiate it w.r.t x once and equate it to zero and then solve it for values of x.
U would get one value of x always for a quadratic.
At that point the function would be either maximum or minimum.
Just put that x value into the quadratic function to get that value.
To know that the point is maxima or minima differentiate once more if it would be a constant.
If it would be negative then it is maxima otherwose it is minima.

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