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

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Presentation transcript:

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 Calculator Sketching a Scatter Plot 1.Press STAT Button 2.Under the EDIT menu, select “1: EDIT” 3.Under L1, enter all possible x-values 4.Under L2, enter all possible y-values 5.Go to “Y =“ and select “PLOT 1” and press ENTER 6.Go to WINDOW and set viewing window for set of points 7.Press GRAPH

chapter seven Algebra 1: Chapter 7 Notes 7-10 | Using the Graphing Calculator Finding the rule of a scatter plot 1.Press STAT Button 2. Under the CALC menu, select 4:LinReg ax+b 3.Go to “Calculate” press “Enter” 4.The “a” is the growth rate (m). The b value is the y-int.