Question

What is the quadratic formula and what is it used to find?

Accepted Answer

\begin{array}{*{20}c} {x = \frac{{ - b \pm \sqrt {b^2 - 4ac} }}{{2a}}} & {{m{when}}} & {ax^2 + bx + c = 0} \ \end{array} It is used to find the zeroes of a function, or where the function crosses the x-axis.

Flashcard 1 - Math Flashcard Set for the PERT

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