Functions (Algebra 1)

Functions (Algebra 1)

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Section 1

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Function Notation

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Cards (26)

Section 1

(26 cards)

Function Notation

Front

An efficient and effective way write all functions in mathematics. To write a rule in function notation, you use the symbol f(x) in place of y.

Back

Discrete Data

Front

Data that can only take certain values (opposite of continuous data). Example: The number of students in a class (you can't have half a student).

Back

Inequality

Front

A statement that compares two quantities using <, >, ≤,≥, or ≠

Back

Range

Front

The set of all possible output values (y) of a functions.

Back

Constant

Front

A value that does not change.

Back

Equal Sign

Front

Indicates that two values or expressions are equivalent.

Back

Origin

Front

The point with the x- and y-axes meet. The coordinate (0,0).

Back

Independent Variable

Front

The input or x-value.

Back

Dependent Variable

Front

The output or y-value. This variable depends on the input.

Back

Function

Front

A relationship in which each input (or x) is paired with exactly one output (or y). We can represent functions verbally, with tables, by sketching graphs, or by writing equations.

Back

Continuous Data

Front

Data that can take any value (opposite of discrete data). Example: People's heights could be any value (within the range of human heights), not just certain fixed heights.

Back

Coefficient

Front

A number multiplied by a variable in an algebraic expression.

Back

Solve

Front

The process of isolating a variable using inverse operations.

Back

y-axis

Front

The vertical number line in a coordinate plane.

Back

Ordered Pair

Front

A pair of numbers that can be used to locate a point on a Cartesian plane. These numbers are also called coordinates.

Back

Coordinate Plane

Front

A plane that is divided into four quadrants by a horizontal line called the x-axis and a vertical line called the y-axis.

Back

x-axis

Front

The horizontal number line in a coordinate plane.

Back

Quadrant

Front

One of four sections into which the coordinate plane is divided.

Back

Equation

Front

A mathematical statement that two expressions are equal.

Back

Graph

Front

Collection of input and output values (ordered pairs) that form a line or curve on the coordinate plane.

Back

Table of Values

Front

A chart showing two sets of related numbers.

Back

Domain

Front

The set of all possible input values (x) of a function.

Back

Expression

Front

A mathematical phrase that contains operations, numbers, and/or variables, but NO equal sign.

Back

Evaluate

Front

To find the value of the output for a given input by substituting the input and simplifying.

Back

Variable

Front

A letter or symbol used to represent a number.

Back

Exponent (Power)

Front

A number that indicates how many times to multiply a base by itself.

Back