Linear Function Vocabulary

Linear Function Vocabulary

By Jamie Larson

Every point has 2 values to determine location.

LEFT - RIGHT is the x value

UP - DOWN is the y value​

​Coordinate Grid Intro

Multiple Choice

In the coordinate points (2,7) the 2 represents

• y
• origin
• x
• point

Multiple Choice

How do you write an ordered pair?

• (X,X)
• (Y,X)
• (X,Y)
• (Y,Y)

Multiple Choice

In the ordered pair (4,9), which number is the y-coordinate?

• 4
• 9
• neither
• both

Multiple Choice

What is coordinate L?

• (6,6)
• (2,5)
• (2,3)
• (5,2)

Domain: all the x values

Range: all the y values​

​

​function: a set of ordered pairs where every input (x) has ONLY one output (y)

​this is a relation;

NOT a function

Multiple Choice

A ________ is any set of ordered pairs

• Function

• Relation

• Equation

• Linear Equation

Multiple Choice

A function is a type of relation where every _____ has exactly one ______

• input/output

• output/input

• inverse/output

• output/inverse

Multiple Choice

The x values in a relation make up the __________

• range

• x-intercepts

• domain

• y-intercepts

Multiple Choice

The y values in a relation make up the ____________

• x-intercepts

• y-intercepts

• range

• domain

Multiple Choice

When every y value in a relation has exactly one x value, this is called a ____________.

• function

• relation

• one-to-one function

• one-to-one relation

Multiple Choice

A(n) __________ is an equation that forms a line when graphed.

• equation

• function

• relation

• linear equation

Easiest form to graph

​

​​Slope Intercept Form

​A should be positive in this form.

m = -A/B b = C/B​

​​Standard Form

​Given the intercepts, you should be able to write the equation in slope intercept form.

​​x- and y-intercepts

​

Multiple Choice

What is the Standard Form of a linear equation

• Ax+By=C

• y=mx+b

• y-y1 = m(x-x1)

• m = (y2-y1)/(x2-x1)

Multiple Choice

What is Slope-Intercept Form of linear equations?

• Ax+By=C

• y=mx+b

• y-y1=m(x-x1)

• m = (y2-y1)/(x2-x1)

Multiple Choice

The ___________ is the point where a line crosses the x-axis.

• y-intercept

• x-intercept

• domain

• range

Multiple Choice

The y-intercept is the point where a line crosses the ___________.

• x-axis

• origin

• y-axis

• x-intercept

Multiple Choice

What is the slope in y=mx+b

• y

• m

• x

• b

Multiple Choice

What is the y-intercept in y=mx+b

• y

• m

• x

• b