Look at Part 1. What number is the circle on?
What type of inequalities have solution sets with closed circles?
Greater than or equal to
Are the values in the solution set greater than
Which inequality could you use to represent this solution set?
Look at Part 2. What steps can you use to solve this inequality?
Will either step change the direction of the inequality symbol? How do you know?
Yes; dividing both sides of the inequality by
What is the solution to the inequality?
Look at Part 3. What property was used to get the equation in Step 1?
The distributive property.
What other step(s) could you have taken to start solving this equation?
Possible answers: Subtract
What is the justification for Step 2?
Combining like terms.
What property allows Step 3?
The subtraction property of equality.
What operations were performed in Steps 4 and 5?
How can you check to confirm that
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