Graph Systems of Linear Inequalities

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

Solve the system of inequalities by graphing.

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• 
• 
• 

Which of the following is NOT a solution to this system of inequalities?

• (0,-1)

• (0,3)

• (4,0)

• (6,-2)

This system has an infinite number of solutions, TRUE or FALSE?

• TRUE

• FALSE

Colin needs to save at least $200 for homecoming. He works 2 jobs earning $9/hour at Wawa and $25/hour mowing lawns. He only has time to work 16 hours before homecoming.

• x + y ≥ 25

  x + y ≤ 9

• 100x + 25 y ≤ 200

  2x + 9y ≤ 16

• x + y ≥ 200

  9x + 25y ≤ 16

• 9x + 25y ≥ 200

  x + y ≤ 16

The graph shows which inequality?

• y ≤ 2

• y ≥ 2

• y > 2

• x > 2

Which point below is NOT part of the solution set?

• (0, 0)

• (5, 1)

• (-1, -3)

• (20, -5)

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

• ≤, ≥ 

• <, >

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

• <, >

• ≤, ≥ 

Which of the following points is a solution to the system of equations below?
x + 2y ≥ 4
3x − 2y < 4
Take your time!

• (0, 0)

• (2, 1)

• (2, 2)

• (-1, 1)