Math 7 - Module 1A - Lesson 5 - Proving Proporrtional or Non-Proportional by Graph
After Graphing Data Set of Ordered Pairs
Two-step process to check if there is a Proportion
1) Are all the plotted points on a straight line?
2) Does the straight line got through OR line up with the Origin?
If "yes" to both questions, graph is a Proportion.
If "no" to one or both questions, graph is Non-Proportional
