Inequalities by graphing

• May 22nd 2010, 11:20 AM
sdinulescu
Inequalities by graphing
y>= x +3
y<= 3-x
• May 22nd 2010, 10:15 PM
CaptainBlack
Quote:

Originally Posted by sdinulescu
y>= x +3
y<= 3-x

Draw the line $y=x+3$, then the first inequality is satisfied by points on and above the line.

Draw the line $y=3-x$, then the second inequality is satisfied by points on and below the line.

Both are satisfied by points on and above $y=x+3$ and on or below $y=3-x$

CB
• May 23rd 2010, 06:38 AM
sdinulescu
Thanks
(Clapping)