w-prostokatnym-ukladzie-wspolrzednych-na-plaszczyznie-pare-prostych-prostopadlych-opisuja

$\displaystyle y=\frac{3}{4}x$\displaystyle y=\frac{3}{4}x i $\displaystyle y=-\frac{3}{4}x+2$\displaystyle y=-\frac{3}{4}x+2

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

$\displaystyle y= \frac{4}{3}x$\displaystyle y= \frac{4}{3}x i $\displaystyle y= \frac{3}{4} x$\displaystyle y= \frac{3}{4} x

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