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Intermediate Algebra 2e

Key Terms

Intermediate Algebra 2eKey Terms

Key Terms

discriminant
In the Quadratic Formula, x=−b±b2−4ac2a,x=−b±b2−4ac2a, the quantity b2 − 4ac is called the discriminant.
quadratic function
A quadratic function, where a, b, and c are real numbers and a≠0,a≠0, is a function of the form f(x)=ax2+bx+c.f(x)=ax2+bx+c.
quadratic inequality
A quadratic inequality is an inequality that contains a quadratic expression.
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