Algebra 1 Functions Vocabulary

Algebra 1 Functions Vocabulary

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Section 1

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No Solutions (quadratic)

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Cards (25)

Section 1

(25 cards)

No Solutions (quadratic)

Front

A quadratic function that does not have an x-intercept. The discriminant is a negative value.

Back

Factors

Front

Numbers or expressions that are being multiplied to form a product. [Ex: 2 x 6 = 12 or (x-3)(x+2) = x²-x-6 ]

Back

Parent Function

Front

The simplest, most general function in a family of functions.

Back

Vertex Form

Front

a = dilation (h, k) = vertex

Back

Domain

Front

The set of input values of a function.

Back

Standard Form

Front

Back

Quadratic Function

Front

A function whose input is squared. This means there will always be two inputs that yield the same output.

Back

Parabola

Front

A symmetrical curve formed by a quadratic function.

Back

Product

Front

The result of multiplying 2 or more factors together.

Back

Transformation

Front

Changes made to a graph.

Back

Function Notation

Front

An equation written as f(x) to represent the output.

Back

Reflection

Front

A transformation that "flips" a figure over a mirror or reflection line.

Back

Radical

Front

The number of times the radicand is multiplied by itself.

Back

y-intercept

Front

The value of the output when the input is zero. The location where the graph of a function touches the y-axis.

Back

Two Solutions (quadratic)

Front

A quadratic function that has two x-intercepts. The discriminant is a positive value.

Back

Square Root

Front

A number that when multiplied by itself equals a given number.

Back

Output

Front

The result obtained by entering an input into a function. The dependent variable.

Back

Function

Front

A relationship where each input (independent variable) has exactly one output (dependent variable).

Back

Input

Front

The independent variable used to evaluate a function at a specific point.

Back

Range

Front

The set of output values of a function.

Back

Zeros of a Function, Roots, Solutions, x-intercepts

Front

The value of the input when the output is zero. The location where the graph of a function touches the x-axis. (4 terms for the same thing)

Back

Shift

Front

A transformation that moves a graph horizontally or vertically without changing its size or shape.

Back

Axis of Symmetry

Front

A vertical line (x=a) that divides a parabola into two symmetrical halves.

Back

Quadratic Formula

Front

Method used to solve a quadratic equation that cannot be factored.

Back

Vertex

Front

The input that yields the minimum or maximum output value of a quadratic function. Turning point or axis of symmetry for a parabola.

Back