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TI 84 Graphing Calculator Project Example

TI 84 Graphing Calculator Project Example. Simple Sailboat. Hand Drawing. Writing Equations. y = mx + b. LINEAR FUNCTIONS. m = slope. Slope Method 1:. Slope Method 2:. y = y-intercept. Method 1: extend the line to the y-axis

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TI 84 Graphing Calculator Project Example

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  1. TI 84 Graphing Calculator Project Example Simple Sailboat

  2. Hand Drawing

  3. Writing Equations y = mx + b LINEAR FUNCTIONS m = slope Slope Method 1: Slope Method 2: y = y-intercept Method 1: extend the line to the y-axis Method 2: pick a point on the line (x, y). Substitute into y = mx + b and solve for “b”.

  4. Writing Equations QUADRATIC FUNCTIONS Parent Function: y = x2 Open downward: y = -x2 Shift up 5 units: y = -x2 + 5 Shift right 4 units: y = - (x-4)2 + 5 And Open wider: y = - 0.5(x-4)2 + 5

  5. Writing Equations

  6. Writing Equations

  7. Writing Equations

  8. Start and Name a New Program: • Press PRGM button • Arrow right twice to NEW • Enter • You are now in alpha mode

  9. Start and Name a New Program: • Name your program: • Use your first 3 initial of your last name followed by the first 3 initial of your first name • Example: John Smith will name his program SMIJOH

  10. Initial Program Setup: • Press: 2nd, DRAW, 1:ClrDraw, ENTER • Press: ZOOM, 5:ZSquare, ENTER

  11. Initial Program Setup: • . • Press: 2nd, FORMAT, arrow down 3 & right once to AxesOff, ENTER, ENTER

  12. Initial Program Setup: • Press: 2nd, STATPLOT, 4:PlotsOff, ENTER • Press: VARS, arrow right once to Y-VARS, 4:On/Off, 2:FnOff, ENTER

  13. Now You Are Ready to Enter Your Programming Code: • 2nd, DRAW, 6:DrawF is used to enter all functions. • Example:

  14. Now You Are Ready to Enter Your Programming Code: :1:DrawF x+9/(x≥-9 and x≤0) ALPHA, : X,T,θ,n 2nd, DRAW, 6:DrawF 2nd, TEST, 4: ≥ 2nd, TEST, →,1:and ENTER 2nd, TEST, 6: ≤

  15. Now You Are Ready to Enter Your Programming Code: :2:DrawF -x+9/(x≥0 and x≤9) ALPHA, : X,T,θ,n 2nd, DRAW, 6:DrawF 2nd, TEST, 4: ≥ 2nd, TEST, →,1:and ENTER 2nd, TEST, 6: ≤

  16. Look At the Drawing So Far: • Press 2nd, QUIT • Press PRGM, EXEC, select your program name, ENTER

  17. Enter Edit Mode: • Press 2nd, QUIT • Press PRGM, →, EDIT, select your program name, ENTER • Arrow down to where you left off.

  18. Now You Are Ready to Enter Your Programming Code: :3:DrawF -3x–30/(x≥-9.4 and x≤-8.3) ENTER

  19. Now You Are Ready to Enter Your Programming Code: :4:DrawF 3x–30/(x≥8.3 and x≤9.4) ENTER

  20. Look At the Drawing So Far: • Press 2nd, QUIT • Press PRGM, EXEC, select your program name, ENTER

  21. Enter Edit Mode: • Press 2nd, QUIT • Press PRGM, →, EDIT, select your program name, ENTER • Arrow down to where you left off.

  22. Now You Are Ready to Enter Your Programming Code: :A:DrawF 0/(x≥-9 and x≤9) ENTER

  23. Now You Are Ready to Enter Your Programming Code: :B:DrawF -2/(x≥-9.3 and x≤9.3) ENTER

  24. Now You Are Ready to Enter Your Programming Code: :A:DrawF 0/(x≥-9 and x≤9) :B:DrawF -2/(x≥-9.3 and x≤9.3) • Press 2nd, QUIT • Press PRGM, EXEC, select your program name, ENTER

  25. Look At the Drawing So Far: • Press 2nd, QUIT • Press PRGM, EXEC, select your program name, ENTER

  26. Enter Edit Mode: • Press 2nd, QUIT • Press PRGM, →, EDIT, select your program name, ENTER • Arrow down to where you left off.

  27. Now You Are Ready to Enter Your Programming Code: :1:DrawF 0.3(x+10)2–6/(x≥-13 and x≤-7.6) ENTER

  28. Now You Are Ready to Enter Your Programming Code: :2:DrawF 0.3(x+5)2–6/(x≥-7.6 and x≤-2.5) ENTER

  29. Now You Are Ready to Enter Your Programming Code: :1:DrawF 0.3(x+10)2–6/(x≥-13 and x≤-7.6) :2:DrawF 0.3(x+5)2–6/(x≥-7.6 and x≤-2.5)

  30. Now You Are Ready to Enter Your Programming Code: :3:DrawF 0.3x2–6/(x≥-2.5 and x≤2.5) ENTER

  31. Now You Are Ready to Enter Your Programming Code: :4:DrawF 0.3(x-5)2–6/(x≥2.5 and x≤7.2) ENTER

  32. Now You Are Ready to Enter Your Programming Code: :5:DrawF 0.3(x-10)2–6/(x≥7.2 and x≤13) ENTER

  33. Now You Are Ready to Enter Your Programming Code: :3:DrawF 0.3x2–6/(x≥-2.5 and x≤2.5) :4:DrawF 0.3(x–5)2–6/(x≥2.5 and x≤7.2) :5:DrawF 0.3(x–10)2–6/(x≥7.2 and x≤13)

  34. Look At the Drawing So Far: • Press 2nd, QUIT • Press PRGM, EXEC, select your program name, ENTER

  35. Enter Edit Mode: • Press 2nd, QUIT • Press PRGM, →, EDIT, select your program name, ENTER • Arrow down to where you left off.

  36. Now You Are Ready to Enter Your Programming Code: :C:Line(-0.5,-2,-0.5,8.5) ENTER 2nd, DRAW, 2:Line

  37. Now You Are Ready to Enter Your Programming Code: :D:Line(0.5,-2,0.5,8.5) ENTER

  38. Now You Are Ready to Enter Your Programming Code: :E:Circle(10,6,2) ENTER

  39. Now You Are Ready to Enter Your Programming Code: :C:Line(-0.5,-2,-0.5,8.5) :D:Line(0.5,-2,0.5,8.5) :E:Circle(10,6,2) 2nd, DRAW, 9:Circle

  40. Look At the Drawing So Far: • Press 2nd, QUIT • Press PRGM, EXEC, select your program name, ENTER

  41. Enter Edit Mode: • Press 2nd, QUIT • Press PRGM, →, EDIT, select your program name, ENTER • Arrow down to where you left off.

  42. Now You Are Ready to Enter Your Programming Code: :F:Shade (0/(x≥-9 and x≤-0.5), x+9 /(x≥-9 and x≤-0.5),-9,-0.5, 1,1) ENTER

  43. Look At the Drawing So Far: • Press 2nd, QUIT • Press PRGM, EXEC, select your program name, ENTER

  44. Enter Edit Mode: • Press 2nd, QUIT • Press PRGM, →, EDIT, select your program name, ENTER • Arrow down to where you left off.

  45. That’s It!! • Add more if you like. • Sailboats, for you, now carry a low originality score. • You may NOT use this code in your project.

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