5-6 Graphing Linear Inequalities in the Coordinate Plane AGAIN!! Goal: Graph linear inequalities in the coordinate plane. Use linear inequalities to solve real world problems. Eligible Content: A1.1.3.2.1 / A1.1.3.2.2

Practice Complete worksheet – “5-6 Graphing Linear Inequalities in the Coordinate Plane”

Word Problems Write an inequality for each problem. Plug possible answers in to find solutions.

Word Problem #1 Ryan writes and edits short articles for a local newspaper. It takes him about an hour to write an article and about a half-hour to edit an article. Ryan works up to 8 hours a day. Write an inequality to model this situation. x + 1 2 y ≤ 8 Which ordered pairs show solutions to this inequality? (5, 6) (1, 16) (2, 4)

Word Problem #2 A yearbook company promises to give the junior class a picnic if they spend at least $28,000 on yearbooks and class rings. Each yearbook costs $35 and each class ring costs $140. Write an inequality to model this situation. 35x + 140y ≥ 28,000 Which ordered pairs show how many yearbooks and class rings the junior class must buy to get their picnic? (400, 90) (395, 150) (600, 100)

Word Problem #3 You offer to go to the local deli and pick up sandwiches for lunch. You have $30 to spend. Chicken sandwiches cost $3.00 each and tuna sandwiches are $1.50 each. How many sandwiches can you purchase for $30? A. 11 chicken sandwiches, 1 tuna sandwich B. 12 chicken sandwiches, 3 tuna sandwiches C. 3 chicken sandwiches, 15 tuna sandwiches D. 5 chicken sandwiches, 9 tuna sandwiches

Homework Worksheet – “5-6 Linear Inequalities Word Problems”