Simple Inequalities
In interval notation, infinity and negative infinity always use ______
Parenthesis
<= and >= signs use ____ circles, while < and > signs use ____ circles.
Closed, open
With an inequality, when you mutliply or divide by a negative, you do what?
Flip the inequality sign.
What is the first thing you do when solving absolute value inequalities?
Isolate the absolute value inequality.
Explain what you do when you split an absolute value inequality into two inequalities.
Keep the first inequality the exact same, and for the second inequality, switch the inequality sign and the number sign.