ALGEBRA 2
Lesson 94 of 95

QUADRATIC FUNCTIONS
The Sum and Product of Roots Formula
Students learn the sum and product of roots formula, which states that if the roots of a quadratic equation are given, the quadratic equation can be written as 0 = x^2 - (sum of roots)x + (product of roots). For example, to write a quadratic equation that has the given roots -9 and 4,  more...
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