Algebra 1 Linear Functions

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

What is the range of a function?

• 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

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

What is the slope of a line on a graph?

• 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

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

This graph represents which function?

• y = -2x

• y = 2x

• y = -2x + 1

• y = 2x - 1

What is the slope of y = - 6x + 4?

• 4

• 6

• -6

• -4

Determine the slope from the table. 

• -2

• 2

• -1/2

• 1/2

Which equation represents the graph?

• y = -3x + 15

• y = 1/5 x + 15

• y = -1/5 x + 3

• y = 15x + 3

Which graph has a slope of -3?

• F

• G

• H

• J

A carnival charges $2.50 per ride. It also costs $20.00 to enter the carnival. Which linear function models the total cost, t, of a day at the carnival going on r rides?