CHAPTER 4 Calculator Notes for the TI-89, TI-92 Plus, and Voyage ...

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Note 4E • TRANSFRM Program (continued) TI-89/TI-92 Plus/Voyage 200 transfrm() Prgm © Initialize setMode("Graph","Function") -15.8áxmin:15.8áxmax -7.6áymin:7.6áymax 1áyscl:1áxscl setGraph("Grid","On") setGraph("Axes","On") PlotsOff ClrDraw DelVar a,b,h,k,x © Set up generic functions in Y3-Y8 ClrGraph Define y3(x)=k+(b*((x-h)/a))^2 ©parabola Define y4(x)=k+b*√((x-h)/a) ©square root Define y5(x)=k+b*abs((x-h)/a) ©absolute value Define y6(x)=k+b*√(1-((x-h)/a)^2) ©Semicircle Define y7(x)=k+b*y8((x-h)/a) © transformation of Y8 Define y8(x)=when(x≥-3,when(x≥-1,when(x≥2,when(x>3,undef, -5+2*x),1-x),2),undef) Style 8,"thick" ©Display ClrIO instructions Disp "Choose a type of graph" Disp "(or quit) from F1. ENTER" Disp "when ready to type a" Disp "formula for the graph." Loop ©main loop DelVar a,b,h,k,x 3áf © beginning value of f for later choices ToolBar Title "Types" Item "Parabola",lbl1 Item "Above or Sq Root",lbl2 Item "Above or Abs Val",lbl3 Item "Above or Semicirc",lbl4 Item "Generic",lbl5 Item EndTBar "Quit",lbl6 ©Set up values of F for later choices Lbl lbl5:f+1áf Lbl lbl4:f+1áf (continued) 36 CHAPTER 4 Discovering Advanced Algebra Calculator Notes for the Texas Instruments TI-89, TI-92 Plus, and Voyage 200 ©2004 Key Curriculum Press
Note 4E • TRANSFRM Program (continued) TI-89/TI-92 Plus/Voyage 200 (PROGRAM: TRANSFRM continued) Lbl lbl3:f+1áf Lbl lbl2:f+1áf ©Set up parameters according to function choice Lbl lbl1 round(-7.5+15*rand(),0)áh ©random integer -7 to 7 round(-4.5+9*rand(),0)ák ©random integer -4 to 4 1áa :1áb If f>3 Then If rand()
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Page 3: Note 4D • Transformations and Com
Page 7: Note 4G • Boolean Expressions (co

CHAPTER 4 Calculator Notes for the TI-89, TI-92 Plus, and Voyage ...

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