Solve the following equations for x: 1) 2) 3) 4) 5) 6)
Homework Check
1.Distribute. 2. Combine like terms. 3. Move variable on right side to left side (add or subtract). 4. Get rid of constant (add or subtract). 5. Get rid of coefficient or denominator (divide or multiply).
Inequality Signs When graphing the number use a … Closed Circle OPEN Circle
Inequality Signs Read left to right: a < b a is less than b a < b a is less than or equal to b a > b a is greater than b a > b a is greater than or equal to b
Determine whether the given number is a solution of the inequality. 1.) x + 3 < 6 ; 5 2.) 2x – 3 > -3 ; 1 3.) 4x – 1 3x + 2 ; 3 8 < 6 False, not a solution 2 – 3 > -3 True, it is a solution -1 > – 1 True, it is a solution 11 11
Graph using a number line Opened Circle Shade to the left Closed Circle Shade to the right
6. x + 4 > x > 3 Solve. Then graph.
Try These Solve then graph.
Inequalities Definition Characteristics 3 examples that are inequalities 3 examples that are not inequalities
Classwork: Workbook p. 71 – 72 Quiz: Properties of Equality after Lunch After the quiz, you will see your test results.
Closing/Homework Closing: What mistakes did you make on the test? What will you do in the future to avoid making those same mistakes? Homework: Textbook p. 89 (2 – 32) Even