8.EE.6
6. Use similar triangles to explain why the slope m is the same between any two distinct points on a nonvertical line in the coordinate plane; derive the equation y = mx for a line through the origin and the equation y = mx + b for a line intercepting the vertical axis at b.
Linear Equation Playground
Just how fast does bamboo grow?


Lesson: SlopeIntercept Form


Khan Academy  Line Graph Intuition 
IXL  Find slope and yintercept (S.5)90 or higher 
IXL  Graph an equation (S.6)90 or Higher 
1935 to 2015 and Beyond 
Lesson: Zero and Undefined Slopes


Slope and yintercept application
*Use the numbers below each set of slides to reveal answers.


