70m
y = - 4 x +3
x - 1 = 0
y= - 3 x - 1
y=x-1
x-1=0
4/3
P(2, 5 ) |OP|= sqrt{29}
(-2 sqrt{29}) / 29
63
a) 6+2 sqrt{3} b) 8 sqrt{2} +8
3/4
3x + y + 3 = 0
0,8
y - 3 = 0
5x - y - 2 = 0