An equation written in two variables is a relation. Ordered pairs that make a statement true when substituted into the equation are solutions of the equation. The x-values of each ordered pair in a solution set represent the domain. The y-values of each ordered pair in a solution set represent the range.
When equations are not written so that a variable is isolated on one side of the equal sign, solve for one variable.
Don't forget you have a quiz tomorrow on 4.1 - 4.4
HW: Pg. 214; #3 - 5, 7 - 11 (odd), 12, 13, 50, 51, 57. (Due 11/27)
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- Happiness is not in our circumstances, but in ourselves. It is not something we see, like a rainbow, or feel like the heat of fire. Happiness is something we are.