2016­09­28 Compound Inequalities day 2 .notebook
September 28, 2016
Today is Wed
9/28
Do Now:
-Take calculator
-Take out notebook and HW
-Copy tonight's HW
textbook section 2.4-2.5
page 78 # 33-35
page 85 # 3-19 odd
**Test Friday on Equations and Inequalities*** extra help fri. am
HW Answers
2016­09­28 Compound Inequalities day 2 .notebook
September 28, 2016
2016­09­28 Compound Inequalities day 2 .notebook
September 28, 2016
Today's Objective
Solving Compound Inequalities
Day 2
Method 1: Solving Inequality with AND
Step 1: Keep as one Step 2: Solve (whatever is done to one side is also done to the other)
Step 3: Graph on a number line
­5 < 2x ­ 3 < 3
2016­09­28 Compound Inequalities day 2 .notebook
September 28, 2016
Method 2: Solving Inequality with AND
Step 1: Write two inequalities
Step 2: Solve each
Step 3: Graph on a number line
­5 < 2x ­ 3 < 3
Solve each inequality. Graph each solution.
a. −4 < x − 2 < 3 b. −3 < −2x + 1 ≤ 9
2016­09­28 Compound Inequalities day 2 .notebook
Solve and graph on a number line:
­7 < x ­ 5 < 4
Solving inequalities with OR
Step 1: Solve them separately
Step 2: Graph on same number line
2x + 3 < 9 or 3x ­ 6 > 12
September 28, 2016
2016­09­28 Compound Inequalities day 2 .notebook
September 28, 2016
Solve 3y − 5 < −8 or 2y − 1 > 5. Graph the solution.
Solve and graph on a number line.
3h + 1 < ­5 or 2h ­ 5 > 7
2016­09­28 Compound Inequalities day 2 .notebook
September 28, 2016
Determine the smallest integer that makes ­3x + 7 ­ 5x < 15 true
2016­09­28 Compound Inequalities day 2 .notebook
September 28, 2016
2016­09­28 Compound Inequalities day 2 .notebook
September 28, 2016
2016­09­28 Compound Inequalities day 2 .notebook
September 28, 2016