Use Slope Intercept Form printable pdf download

Use Slope Intercept Form

4.2 Notes (Pg. 232-239)

Name: ___________________________________________

Use Slope-Intercept Form

Algebra 1

Date: _____________

Hour: _____

Objectives

Writing an Equation of a Line in

 Write an equation of a line using points on the line.

Slope-Intercept Form

 Model a real-life situation with a linear function.

Step 1: Identify/Find the slope m.

Step 2: Identify/Find the y-intercept.

Step 3: Write an equation using

Example1

Write an equation given the slope and a point

Write an equation of the line that passes through the point

and has a slope of

Example 2

Write an equation given two points

Write an equation of the line that passes through

and

 Check Point

Write an equation of the line that passes through

and

How to Write Equations in Slope-Intercept Form

Given two points

Given slope m and y-intercept b

Given slope m and one point

Use the points to find the slope

Substitute _____ and _____ in the

Substitute _____ and the coordinates

_____. Then follow the same steps

equation

of the point in

. Solve

described at the left.

for _____. Write the equation.

Use Slope Intercept Form