When sketching the slope field for on the rectangular lattice and with integer coordinates

MATHEMATICS · Subjective · AP · Calculus AB · Differential Equations · Differential Equations

Problem

When sketching the slope field for

\displaystyle \frac{dy}{dx}=\frac{y}{\,x-1\,}

on the rectangular lattice

0\le x\le 3

and

-2\le y\le 2

with integer coordinates, list every lattice point where no segment should be drawn because the slope is undefined.