Uttryck 18: left parenthesis, "x" Subscript, 0 , Baseline plus "a" plus left parenthesis, "P" Subscript, 1 , Baseline minus "x" Subscript, 0 , Baseline minus "a" , right parenthesis "t" , "y" Subscript, 0 , Baseline plus left parenthesis, "P" Subscript, 2 , Baseline minus "y" Subscript, 0 , Baseline , right parenthesis "t" , right parenthesis Har graf.x0+a+P1−x0−at,y0+P2−y0t
00
domän t minimum:
less than or equal to "t" less than or equal to≤t≤
11
domän t maximum:
18
Uttryck 19: "y" equals "C" Subscript, "y" , Baseline left brace, "C" Subscript, "y" , Baseline greater than 0 , "C" Subscript, "y" , Baseline less than 0 , right brace equals negative 1 Har graf. För att ljudspåra, tryck ALT+T.y=CyCy>0,Cy<0
equals=
negative 1−1
19
Uttryck 20: left parenthesis, "x" Subscript, 0 , Baseline plus "a" plus left parenthesis, negative "a" , right parenthesis "t" , "y" Subscript, 0 , Baseline times left bracket, 1 , 1 , 1 , right bracket , right parenthesis Har graf.x0+a+−at,y0·1,1,1
00
domän t minimum:
less than or equal to "t" less than or equal to≤t≤
Uttryck 32: "a" Subscript, "t" , Baseline left parenthesis, "x" minus "P" Subscript, 1 , Baseline , right parenthesis plus "b" Subscript, "t" , Baseline left parenthesis, "y" minus "P" Subscript, 2 , Baseline , right parenthesis equals 0 Har graf. För att ljudspåra, tryck ALT+T.atx−P1+bty−P2=0
32
Uttryck 33: "y" equals negative StartFraction, "a" Over "b" , EndFraction times "x" plus StartFraction, "a" times "P" Subscript, 1 , Baseline Over "b" , EndFraction plus StartFraction, "b" times "P" Subscript, 2 , Baseline Over "b" , EndFractiony=−ab·x+a·P1b+b·P2b
33
Som det fremgår, har P₁ og P₂
34
erstattet x₀ og y₀ i linjens ligning.
35
Punkter
Göm denna mapp från elever.
36
46
driven av
driven av
Start black, left parenthesis, "x" Subscript, 0 , Baseline ; "y" Subscript, 0 , Baseline , right parenthesis equals ( 1 ; negative 1 ) End blackx0;y0=(1;−1)
