Linear Functions Vocab

• Function
• Not a Function

In y=mx+b, which variable represents the y-intercept?

• y

• x

• m

• b

The slope of a horizontal line is....

• 0

• Undefined 

• 1

• 2/3

Given the function table, select all numbers that appear in the domain.

• {0, 1, 2, 3, 4}

• {0, 0, 1, 2, 3, 4, 4, 8, 12, 16}

• {0, 4, 8, 12, 16}

• None of these choices represent the domain.

The input of a function

• Dependent Variable

• Range

• Independent Variable

• Discrete Graph

Which variable is used for slope?

• x

• y

• m

• c

What is the y-intercept?

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

• The set of x-values for a function

• The steepness of a line on a graph

• The x-coordinate of a point where a graph crosses the x-axis

What is the x-intercept?

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

• The set of x-values for a function

• The steepness of a line on a graph

• The x-coordinate of a point where a graph crosses the x-axis

What does it mean for a function to be linear?

• The function has a constant rate of change

• The function has a variable rate of change

• The function has no rate of change

• The function has an exponential rate of change

What is the concept of a linear function's rate of change?

• The steepness of a line on a graph

• The set of x-values for a function

• The set of y-values for a function

• The x-coordinate of a point where a graph crosses the x-axis