Inequality Symbols  Graphing Inequalities  Jolley  Graphing Systems of Inequalities  Is (x,y) a solution to the System of Inequalities? 

100What inequality symbol would you use for the words "at least?"

100DASHED!

100The Bengals
My Favorite NFL Team

100Graph the system of inequalities on your graphing calculator.
y > x + 1 y > x 
100No! The point lies on the DASHED line, so you cannot include it in the solution!
Is the point a solution to the system?

200What inequality symbol would you use for the words "at most?"

200ABOVE!

2004th Grade Special Education
The Grade/Subject I Teach

200 
200Yes! This point lies in the shaded region.
(Hint: The tick marks on the graph go up by 5's!) Is the point a solution to the system?

300What inequality symbol would you use for the words "no more than?"

300 
300June
What month my birthday is in

300 
300Yes! This point lies on the SOLID line, so it IS a part of the solution!
(Hint: Each tick mark on the graph goes up by 2s!) Is the point a solution to the system?

400What inequality symbol would you use for the words "not to exceed?"

400 
400Steve Madden
Brand of shoes I'm wearing

400 
400No! The point (0,0) lies outside of the shaded region.
Is (0,0) a solution to the system of inequalities below?

500What inequality symbol would you use for the words "no fewer than?"

500 
500Athens Ohio (Ohio University)
Where I met my wife

500Answer: Graph A

500Answer: D
(Hint: Plug in "x" and "y" for each point to see which ordered pair makes the inequalities true statements!) 