" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
8y=6x-11
y=3/4 x -11/8
a=3/4
-9x+my+5=0
my=9x-5
y=9/m x-5/m
a=9/m
Proste są równolegle gdy a₁=a₂
3/4=9/m
3m=36
m=12➡odp. B