Mr. Walter’s Notes on How to Use the Calculator to Find the Equation of a Line when you

Know Coordinate Points

chapter seven

Algebra 1: Chapter 7 Notes

7-10 | Using the Graphing CalculatorSketching a Scatter Plot

1. Press STAT Button2. Under the EDIT menu, select “1: EDIT”3. Under L1, enter all possible x-values4. Under L2, enter all possible y-values5. Go to “Y =“ and select “PLOT 1” and press

ENTER6. Go to WINDOW and set viewing window for

set of points7. Press GRAPH

chapter seven

Algebra 1: Chapter 7 Notes

7-10 | Using the Graphing Calculator

Finding the rule of a scatter plot1. Press STAT Button2. Under the CALC menu, select 4:LinReg ax+b3. Go to “Calculate” press “Enter”4. The “a” is the growth rate (m). The b value is

the y-int.