[tex]y=ax+b\\A(4,6)\\B(9,1)\\\left \{ {{6=4a+b} \atop {1=9a+b/*(-1)}} \right. \\\left \{ {{6=4a+b} \atop {-1=-9a-b}} \right. \\5=-5a\\a=-1[/tex]
a-współczynnik kierunkowy
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
[tex]y=ax+b\\A(4,6)\\B(9,1)\\\left \{ {{6=4a+b} \atop {1=9a+b/*(-1)}} \right. \\\left \{ {{6=4a+b} \atop {-1=-9a-b}} \right. \\5=-5a\\a=-1[/tex]
a-współczynnik kierunkowy