Odpowiedzi

2010-02-28T14:30:08+01:00
Y=-2x+3
0=-2x+3
0=-2x+3/-3
0=-2x/:(-2)
0=x
2 1 2
2010-02-28T14:31:32+01:00
1)
-2x +3 = 0
-2x = -3
x = 3/2
b)
(1/3)x + 2/3 = 0 |*3
x + 2 = 0
x = -2
c)
x=0
2)
-3x + 3/4 = 3/4
-3x = 0
x=0
2 1 2