Linear Functions Vocabulary

Which of these represents slope-intercept form?

• y - y₁ = m(x-x₁)

• Ax + By = C

• y = mx + b

Which of these represents the standard form of a linear equation?

• y - y₁ = m(x-x₁)

• Ax + By = C

• y = mx + b

What is the slope of the line?

• Positive

• Negative

• Zero

• Undefined

In the formula y = mx + b, what does "m" stand for?

• y-intercept

• slope

• x-axis

• y-axis

When you graph a line using slope-intercept form, you plot the  ___________ first and then the ___________.

• origin; slope 

• slope; y-intercept

• y-intercept; x-intercept

• y-intercept; slope

Find the slope of the line.

• m is undefined

• m = 0

• m = 1

• m = -1

Bob has $150 in his savings account and saves $40 per month. Which function models his savings?

• y = 150 + 40

• y = 40x + 150

• y = 150x + 40

A function whose graph is a nonvertical line.

• graph

• solution

• linear function

• linear equation

An equation whose graph is a line.

• graph

• solution

• linear function

• linear equation

The y-coordinate of a point where the graph crosses the y-axis.

• domain

• range

• x-intercept

• y-intercept