Practice problem
Solve the systems below and find which one equals the picture above.
{x+3y<4x−3y<4−x+3y<4−x−3y<4y+3=6x\begin{cases}x+3y<4\\x-3y<4\\-x+3y<4\\-x-3y<4\\y+3=6x\end{cases}⎩⎨⎧x+3y<4x−3y<4−x+3y<4−x−3y<4y+3=6x
{2x+3y<62x−3y<6−2x+3y<6−2x−3y<62y+1=x\begin{cases}2x+3y<6\\2x-3y<6\\-2x+3y<6\\-2x-3y<6\\2y+1=x\end{cases}⎩⎨⎧2x+3y<62x−3y<6−2x+3y<6−2x−3y<62y+1=x
{4x+5y<64x−5y<6−4x+5y<6−4x−5y<63y−2=4x\begin{cases}4x+5y<6\\4x-5y<6\\-4x+5y<6\\-4x-5y<6\\3y-2=4x\end{cases}⎩⎨⎧4x+5y<64x−5y<6−4x+5y<6−4x−5y<63y−2=4x
Type a concept, like “slope” or “photosynthesis”.
