Linear Functions (Algebra 1)

Linear Functions (Algebra 1)

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Section 1

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Mar 14, 2020

Cards (20)

Section 1

(20 cards)

horizontal line

Front

A line with zero slope. Equation: y = some number

Back

range

Front

All possible outputs of a function.

Back

equation

Front

A mathematical sentence that contains an equal sign. Equations are solved using inverse operations to isolate a variable.

Back

Zero Slope

Front

When the change in the output is zero. Zero divided by any number is still zero.

Back

undefined

Front

No solution or something we CANNOT do in mathematics. An example is division by zero. The slope of a vertical line is undefined because the change in the input would be zero and we cannot divide by zero.

Back

quadrants

Front

Four regions into which a coordinate plane is divided by the x-axis and the y-axis.

Back

slope

Front

A RATIO comparing the change in output over the change in input of a line.

Back

ordered pair

Front

A pair of numbers used to locate a point on the coordinate plane. (x , y) Also called a coordinate.

Back

y-intercept

Front

Algebraically, the value of the output when the input is zero (0, y). Graphically, the point where a graph crosses the y-axis.

Back

graph

Front

A collection of ordered pairs that show a relationship between two things.

Back

domain

Front

All possible inputs of a function.

Back

vertical line

Front

A line whose slope is undefined. Vertical lines do NOT represent functions. Equation: x = some number

Back

x-intercept

Front

Algebraically, the value of the input when the output is zero (x, 0). Graphically, the point where a graph crosses the x-axis. Also called roots, zeros or solutions.

Back

variable

Front

A letter or symbol that represents a number.

Back

constant

Front

A value that does not change.

Back

linear equation

Front

An equation in two variables whose graph in a coordinate plane is a straight line.

Back

evaluate

Front

To find the output of a function for a given input.

Back

standard form

Front

Form for a linear equation: Ax + By = C

Back

coefficient

Front

A number multiplied by a variable in an algebraic expression or equation.

Back

slope-intercept form

Front

Form for a linear equation: y = mx + b "m" represents the slope of the line "b" represents the y-intercept of the line

Back