運算式 14: "b" Subscript, "t" , Baseline equals "y" Subscript, 0 , Baseline minus "a" Subscript, "t" , Baseline "x" Subscript, 0 , Baselinebt=y0−atx0
equals=
11
14
運算式 15: "y" equals "a" Subscript, "t" , Baseline "x" plus "b" Subscript, "t" , Baseliney=atx+bt
15
Sekanten bestemmes
對學生隱藏此資料夾。
16
運算式 17: "a" Subscript, "s" , Baseline equals StartFraction, "f" left parenthesis, "x" Subscript, 0 , Baseline plus "h" , right parenthesis minus "f" left parenthesis, "x" Subscript, 0 , Baseline , right parenthesis Over left parenthesis, "x" Subscript, 0 , Baseline plus "h" , right parenthesis minus left parenthesis, "x" Subscript, 0 , Baseline , right parenthesis , EndFractionas=fx0+h−fx0x0+h−x0
equals=
22
17
運算式 18: StartFraction, "f" left parenthesis, "x" Subscript, 0 , Baseline plus "h" , right parenthesis minus "y" Subscript, 0 , Baseline Over "h" , EndFractionfx0+h−y0h
equals=
22
18
運算式 19: "y" equals "a" Subscript, "s" , Baseline left parenthesis, "x" minus "x" Subscript, 0 , Baseline , right parenthesis plus "y" Subscript, 0 , Baseliney=asx−x0+y0
19
運算式 20: "y" equals "a" Subscript, "s" , Baseline "x" minus "a" Subscript, "s" , Baseline "x" Subscript, 0 , Baseline plus "y" Subscript, 0 , Baseliney=asx−asx0+y0
20
運算式 21: "b" Subscript, "s" , Baseline equals "y" Subscript, 0 , Baseline minus "a" Subscript, "s" , Baseline "x" Subscript, 0 , Baselinebs=y0−asx0
equals=
negative 3−3
21
運算式 22: "y" equals "a" Subscript, "s" , Baseline "x" plus "b" Subscript, "s" , Baseliney=asx+bs
22
Sekantens hældning
對學生隱藏此資料夾。
23
→ tangentens, når h → 0
24
運算式 25: "h" equals 2h=2
StartFraction, 1 Over 10 to the 6th power , EndFraction1106
33
25
運算式 26: "a" Subscript, "s" , Baselineas
equals=
22
26
運算式 27: "a" Subscript, "t" , Baselineat
equals=
00
27
Punkter
對學生隱藏此資料夾。
28
34
技術支援
技術支援
Start black, left parenthesis, "x" Subscript, 0 , Baseline , "f" left parenthesis, "x" Subscript, 0 , Baseline , right parenthesis , right parenthesis End blackx0,fx0
Start #140616, left parenthesis, "x" Subscript, 0 , Baseline plus "h" , "f" left parenthesis, "x" Subscript, 0 , Baseline plus "h" , right parenthesis , right parenthesis End #140616x0+h,fx0+h
