Section 3.3 – Solving Systems of Inequalities by Graphing
Date: ____/_____/______
HW pg 126 Honors: 12 – 32 (evens) Regular: 12 – 26 (evens) Ex1 Intersecting Regions a)
y > -2x + 4 y≤x–2 St1 Solve by graphing
b)
a)
y ≥ 2x – 3 y < -x + 2
c)
y ≤ -x + 1 x + 1< 3
y>x+1 y≤3
SEPARATE REGIONS Ex 2 Solve by Graphing 1 x+1 2 1 y< x–3 2
y>
St 2
−3 x+1 4 −3 y≤ x–2 4
y≥
vertices of the figure formed by Ex 3 Find the coordinates of the
x+y ≥-1 x–y≤6 12 + x ≤ 32
St 3 Same directions
2x – y ≥ - 1 x+y≤4 x + 4y ≥ 4