Posted by Carson Joy on Friday, March 16, 2012 at 1:20pm.
Solve the following system of inequalities by graphing.
5x  4y ≥ 20
3x  2y ≤ 8
y ≥ 3
I need help, like a website or steps on how to do this. I don't get it, at all.

Algebra 1B  Susan, Friday, March 16, 2012 at 2:23pm
Graph each inequality as if it were a line like 5x  4y≥20 becomes y =5/4 x +5 crosses the y axis at 5 and has a slope of 5/4. Put (0,0) in the inequality y≤5/4x +5 if the inequality is true shade the side of the line that has (0,0) on it. Do the same for the remaining inequalities. For y≥3 shade above the horizontal line where y = 3.

Algebra 1B  Carson Joy, Friday, March 16, 2012 at 2:26pm
Okay, thanks. I think i get it
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