Lesson 20: Practice Problems
Problem 1
Here is a graph of the equation
Are the points
and solutions to the equation? Explain or show how you know. Check if each of these points is a solution to the inequality
: Shade the region that represents the solution set to the inequality
. Are the points on the line included in the solution set? Explain how you know.
Problem 2
Select all coordinate pairs that are solutions to the inequality
Problem 3
Consider the linear equation
The pair
is a solution to the equation. Find another pair that is a solution to the equation. Are
and solutions to the inequality ? Explain how you know. Explain how to use the answers to the previous questions to graph the solution set to the inequality
.
Problem 4
The boundary line on the graph represents the equation
Problem 5
Choose the inequality whose solution set is represented by this graph.
Problem 6
Elena is planning to go camping for the weekend and has already spent $40 on supplies. She goes to the store and buys more supplies.
Which inequality represents
Problem 7
Solve this inequality:
Problem 8
Which graph represents the solution to
Problem 9
Solve