Solving Systems of Inequalities

Solve the system of inequalities by graphing.

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When you graph an inequality, you use a solid line when you use which symbols?

• ≤, ≥

• <, >

When graphing an inequality, you use a dotted line when you use which symbol?

• <, >

• ≤, ≥

Which system of inequalities matches the graph?

• y > 2x - 4
  y < 2
• y < 2x - 4
  y < 2
• y > 2x - 4
  y <  2 
• y < 2x - 4
  y <   -2

Solve the system of inequalities by graphing.

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Is (-2,4) a solution to the system?

• Solution
• Not a solution

Which ordered pair(s) is a solution to the given system?

• (5, -5)
• (0,0)
• (-5, -2)
• (3,-3)

Which ordered pair(s) is a solution to the given system?

• (5,0)
• (1,-3)
• (3,3)
• (2,1)

Which point is a solution?

• (0, 6)
• (-3, 4)
• (1, 0)
• (-4, 3)

Which system of linear inequalities is represented by the graph?

• y≤2x-1
  y>-2x+3
• y>2x-1
  y≤-2x+3
• y<2x-1
  y≥-2x+3
• y≤2x-1
  y>2x+3