prosta-rownolegla-do-prostej-o-rownaniu-displaystyle-y-frac54xfrac12-jest-prosta

$\displaystyle y=\frac{4}{5}x-3$\displaystyle y=\frac{4}{5}x-3

$\displaystyle y=\frac{5}{4}x+3$\displaystyle y=\frac{5}{4}x+3

$\displaystyle y=-\frac{5}{4}x-3$\displaystyle y=-\frac{5}{4}x-3

$\displaystyle y=-\frac{4}{5}x+3$\displaystyle y=-\frac{4}{5}x+3