Page 91 - Algebra

4. Sketch the graph of y = –x – 3 and y = 2x + 1
Put (–4, 2) in the inequalities y > –x – 3 and y ≤ 2x + 1 2>4–3and2≥ –8+1 2>1and2≥ –7
It satisfies all the points. Now, shade the region.
The solution is the common area, which is denoted by the green triangle.
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Algebra I & II