30pkt za 26 i 27 daje naj

30pkt Za 26 I 27 Daje Naj class=

Odpowiedź :

Zad 26

B) 2y= 4x-5/:2

y= 2x-2i1/2

C) 1/3y= -1/2x+3/•3

y= -3/2x+9

y= - 1i1/2x +9

Zad 27

L1: -2y= -x-2/: (-2)

y= 1/2x +1

L2: 3y= 2x+6/:3

y= 2/3x +2

L3: y= 1/2x+1

L4: 2y= -3x+6/:2

y= -1i1/2x +3

L5: -y= -2/3x-2/• (-1)

y= 2/3x +2

L6: 6y= 3x+6/:6

y= 1/2x +1

L1=L3=L6 - y=1/2x+1

L2=L5 - y= 2/3x+2