Notes Over 4.6

1
Notes Over 4.6
Writing Equations in Slope-Intercept Form
Slope-Intercept Form
A linear equation in the form y mx b, where m
is the slope, and b is the y-intercept
Write the equation in slope-intercept form. Find
the slope and the y-intercept.
2
Notes Over 4.6
Writing Equations in Slope-Intercept Form
Slope-Intercept Form
A linear equation in the form y mx b, where m
is the slope, and b is the y-intercept
Write the equation in slope-intercept form. Find
the slope and the y-intercept.
3
Notes Over 4.6
Writing Equations in Slope-Intercept Form
Slope-Intercept Form
A linear equation in the form y mx b, where m
is the slope, and b is the y-intercept
Write the equation in slope-intercept form. Find
the slope and the y-intercept.
4
Notes Over 4.6
Writing Equations in Slope-Intercept Form
Parallel Lines
Two nonvertical lines that have the same slope.
7. Which two lines in Exercises 1 6 are
parallel?
Lines 1 and 3 both have a slope of 3, so they
are parallel.
5
Notes Over 4.6
Graphing Using Slope and y-Intercept
Write the equation in slope-intercept form. Then
graph the equation.
6
Notes Over 4.6
Graphing Using Slope and y-Intercept
Write the equation in slope-intercept form. Then
graph the equation.
7
Notes Over 4.6
Graphing Using Slope and y-Intercept
Write the equation in slope-intercept form. Then
graph the equation.
8
Notes Over 4.6
Graphing Using Slope and y-Intercept
Write the equation in slope-intercept form. Then
graph the equation.
9
Notes Over 4.6
Graphing Using Slope and y-Intercept
Write the equation in slope-intercept form. Then
graph the equation.
10
Notes Over 4.6
Graphing Using Slope and y-Intercept
Write the equation in slope-intercept form. Then
graph the equation.
11
Notes Over 4.6
Using Slope-Intercept Form to Solve a Real-Life
Problem
14. During the summer you work for a lawn care
service. You are paid 4 per day, and an hourly
wage of 1.75.

1. Using w to represent daily wages and h to
   represent the number of hours worked daily, write
   an equation that models your total wages for one
   days work.

1. Find the slope and y-intercept of the equation?

1. What does the slope represent?

12
Notes Over 4.6
Using Slope-Intercept Form to Solve a Real-Life
Problem
14. During the summer you work for a lawn care
service. You are paid 4 per day, and an hourly
wage of 1.75.

1. Graph the equation using the slope and
   y-intercept.

13
Notes Over 4.6
Using Slope-Intercept Form to Solve a Real-Life
Problem
15. During the summer you work for a lawn care
service. You are paid 6 per day, and an hourly
wage of 1.25.

1. Using w to represent daily wages and h to
   represent the number of hours worked daily, write
   an equation that models your total wages for one
   days work.

1. Find the slope and y-intercept of the equation?

1. What does the slope represent?

14
Notes Over 4.6
Using Slope-Intercept Form to Solve a Real-Life
Problem
15. During the summer you work for a lawn care
service. You are paid 6 per day, and an hourly
wage of 1.25.

1. Graph the equation using the slope and
   y-intercept.

15
Notes Over 4.6