Module 1 - Lesson 9
In this module you will review writing a linear function
Lesson 9 - Linear Functions
There are three forms of linear functions:Slope-intercept form: y = mx + b Point-slope form: y - y1 = m(x - x1) Standard form: Ax + By = C
y = mx + b y - y1 = m(x - x1) Ax + By = C
Slope
y-intercept
Slope
y-coordinate
x-coordinate
-A B
= slope
Lesson 9 - Linear Functions
Slope is the steepness of a line, which is denoted as "m" Slope formula: y2 - y1 x2 - x1
Run
m =
Rise
Other forms of slope:
Rise Run
m =
Change in y Change in x
m =
Writing a Linear Function
Writing a Linear Function
Writing a Linear Function
Writing a Linear Function
Writing a Linear Function
Writing a Linear Function
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Module 1 - Lesson 9
High School
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Transcript
Module 1 - Lesson 9
In this module you will review writing a linear function
Lesson 9 - Linear Functions
There are three forms of linear functions:Slope-intercept form: y = mx + b Point-slope form: y - y1 = m(x - x1) Standard form: Ax + By = C
y = mx + b y - y1 = m(x - x1) Ax + By = C
Slope
y-intercept
Slope
y-coordinate
x-coordinate
-A B
= slope
Lesson 9 - Linear Functions
Slope is the steepness of a line, which is denoted as "m" Slope formula: y2 - y1 x2 - x1
Run
m =
Rise
Other forms of slope:
Rise Run
m =
Change in y Change in x
m =
Writing a Linear Function
Writing a Linear Function
Writing a Linear Function
Writing a Linear Function
Writing a Linear Function
Writing a Linear Function
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test
Keystone Resources
Here are resources to help support you through this module and prepare you for the Keystone exam.
Keystone Formula Sheet
Keystone Graphing Calculator
Keystone Four Function Calculator
Scoring Guidelines for Constructed Response
Algebra 1 Keystone Example Test