Graphing Inequalities
When graphing an inequality is the dot an open circle or closed circle for < and >?
What is an open circle.
Solve: x + 4 = 9
What is x=5
What are the possible values of x if x > 5?
What are x= 6, 7, 8, 9...
Solve: x + 15 = 23
What is x = 8
Solve: 3 + 2y = 9
What is x = 3
When graphing an inequality is the dot an open circle or closed circle for ≤ and ≥?
What is a closed circle.
What is x= 41
What are the possible values of x if x < 10?
What are x = 9, 8, 7, 6...
Solve: x – 13 = –3
What is x = 10
Solve: 2c + 5 = 9
What is c = 2
Graph the inequality: x ≤ 10
See graph
What is x= 3
What are the possible values of x if x ≤ 15?
What is x= 15, 14, 13, 12...
Solve: 10x=20
What is x = 2
Solve: 5 − 2n = 3
What is n = 1
Graph the inequality: x<6
See graph.
Solve: X/4 = 4
What is x= 16
What are the possible values of x if x ≥ 2?
What is x= 2, 3, 4, 5...
Solve: x/5 =4
What is x = 20
Solve: 2 = 6 − 2v
What is x = 2
Graph the inequality: X≥ 2
See graph
Solve: -9 + x = 0
What is x= 9
What are the possible values of x if x < 0?
What are x= -1, -2, -3...
Solve: 9x = 0
What is x = 0
Solve: 5 = 21 − 4f
What is f = 4