Casio CFX-9970G Manual
Also see for CFX-9970G: User guideProduct manualData communications guideManualManual
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148kkkkk Determining Points of Intersection for Two GraphsExample To draw the following three graphs and then determine thepoints of intersection for the Graph Y1 and Graph Y3.View Window: (A)Y1 = x + 1Y2 = x (x + 2) (x – 2)Y3 = x2!5(G-Solv)5(ISCT)(This puts the unit into standby waitingfor selection of a graph.)Specify Graph Y1.w• Pressing w changes “ k ” into “ u ” forspecification of the first graph.Specify the second graph (Graph Y3, here) to determine the points of intersection.cw• Use f and c to move “ k ” on thesecond graph.• Intersections are found starting from the left.e• The next intersection to the right is found. Ifthere is no intersection to the right, nothinghappens when you perform this operation.• You can use d to move back to the left.• If there are only two graphs, pressing 5 (ISCT) directly displays the intersec-tions (selection of the graph is not required).• Note that the above operation can be performed on rectangular coordinate (Y=)and inequality graphs only.9 - 2 Analyzing a Function Graph |
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