A1 Vocabulary Quadratic Equations & Radical Expressions

Front

Quadratic Function

Back

Front

Radical Expression

Back

An expression that contains a square root

Front

Literal Equation

Back

An equation involving two or more variables

Front

Real solutions AKA 'Roots' AKA 'Zeros'

Back

The x-intercept(s) of the graph which can be seen crossing or touching the x axis.

Front

Two real solutions

Back

Crosses the x-axis in 2 places; discriminant > 0

Front

One real solution

Back

Touches the x-axis at 1 place; discriminant = 0

Front

No real solution

Back

Does not touch the x-axis; discriminant < 0

Front

Parabola

Back

The graph of a quadratic function; looks like a U, and has a minimum or maximum depending on if it goes up or down.

Front

Minimum

Back

The lowest point of a quadratic equation; found at the bottom of the U shaped parabola. Is a vertex.

Front

Maximum

Back

The highest point of a quadratic equation; found at the top of the upside down U shaped parabola. Is a vertex.