Slope formulatemplatecx2

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Slope formulatemplatecx2

  1. 1.         www.media4math.com     ©2012  Media4Math.  All  rights  reserved.   TI-­‐Nspire  CX  Mini-­‐Tutorials   Slope  Formula  Template   Summary of Keystrokes Create a graph window and add two points: c2 b71·b71· (Use ¤¡`¢¤¡`¢to move the pointer to the second point.) ·· Display the coordinates: b17b17 (Use ¤¡`¢¤¡`¢to move the pointer to the first point.) ··(Use ¤¡`¢¤¡`¢to move the pointer to the second point.) ·· Assign the coordinates to variables: dd(Use ¤¡`¢¤¡`¢to move the pointer to the x coordinate of the first point.) /hX1·/hX1· (Repeat for x2, y1, and y2.) /hY1·/hY1· /hX2·/hX2· /hY2·/hY2· Create a spreadsheet and use the variables in the Slope Formula: ~522/eb4~522/eb4 X1e=X1·X1e=X1· (Select the “Variable Reference” option. Repeat for x2, y1, and y2.)
  2. 2.         www.media4math.com     ©2012  Media4Math.  All  rights  reserved.   Y1e=Y1·Y1e=Y1· X2e=X2·X2e=X2· Y2e=Y2·Y2e=Y2· (Now move the cursor to the next row of column A.) SLOPESLOPEee==(B4(B4--B2)p(B3B2)p(B3-- B1)B1)·· Manipulate the points in the graph and watch the spreadsheet recalculate the midpoint: /e/e`¢¤¡`¢¤¡aa¡¡

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