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Algebra II Terms

Get down with the lingo

Completing The Square

A technique for finding a squared term in a quadratic equation.

Complex Numbers

Numbers with both a real and imaginary component, of the form a + bi.


What is the discriminate? A miserable little pile of secrets. Also, the expression that determines how many solutions a quadratic equation has; b2 – 4ac.


The imaginary number, equal to .

Imaginary Numbers

Numbers that contain i, of the form bi.


The graphical representation of a quadratic equation. A smooth, continuous curve that points in one direction.

Quadratic Equation

A polynomial equation of the form y = ax2 + bx + c.

Quadratic Formula

A formula for finding the roots of a quadratic equation:

Quadratic Function

A relation where the input (x) is related to the output (f(x)) by a quadratic equation: f(x) = ax2 + bx + c.


The single maximum or minimum value of a parabola.

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