bell work11/6/14 solve the inequality. yesterday’s homework 1.any questions? 2.please pass your...
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Bell Work 11/6/14Solve the inequality.
1. 2 7x
2. 3 6 3x
3. 2 9 7 4x
Yesterday’s Homework
1. Any questions?2. Please pass your homework to the front.
• Make sure the correct heading is on your paper.• Is your NAME on your paper?
• Make sure the homework is 100% complete.• Incomplete work will NOT be accepted.
Solving Absolute-Value Inequalities (or)
04/21/23
Heading
TSWBAT: solve an absolute-value inequality that is an Or statement.
3.7B
Students solve equations and inequalities involving absolute values.
Notes
Ex.
Graph the inequality.
6x Plot the numbers that make this a true statement on a number line.
6 6
What kind of graph does this look like? AND? OR?
• Thus, , = OR
“greatOR”
Notes
Ex.Solve each inequality and graph.
5x What kind of graph does this look like? AND? OR?
5 or 5x x 5x 5x
5 5Now you try.
Ex.3x What kind of graph does this look like?
AND? OR?
3 or 3x x 3x 3x
3 3
9x
Notes
Ex.
Solve each inequality. Now you try.
2 7x
What kind of graph does this look like?
AND? OR?
9 or 5x x
2 2 2 7x 2 7x
5x 2 2
4x
Ex.
8 32x
What kind of graph does this look like?
AND? OR?
4 or 4x x
8 32x 8 32x
4x8 8 8 8
2 12x
Notes
Ex.
Solve each inequality. Now you try.
2 4 8x
What kind of graph does this look like?
AND? OR?
6 or 2x x
4 4 2 4 8x 2 4 8x
4 4
2 26x
2 4x 2 2
2x
3 6x
Ex.
3 9 15x
What kind of graph does this look like?
AND? OR?
2 or 8x x
9 9 3 9 15x 3 9 15x
9 9
3 32x
3 24x3 3
8x
7x
Notes
Ex.
Solve each inequality. Now you try.
5 2x
What kind of graph does this look like?
AND? OR?
7 or 7x x
5 5
7x 7x
3 11x
Ex.
3 7 4x
What kind of graph does this look like?
AND? OR?
8 or 14x x
7 7
3 11x 3 11x
8x3 3
14x3 3
NotesSolve each inequality. Now you try.
3 3 12x
Ex.3 3 7 5x
3 or 5x x
7 7
3 3 12x 3 3 12x
3 9x3 3
3 15x3 3
3 33x
3 35x
4 2 5 4x
Ex.4 2 5 1 3x
3 or 2x x
1 1
2 5 1x 2 5 1x
2 6x 5 5
2 4x 5 5
2 23x
2 22x
4 42 5 1x
Summary
Whenever you have an absolute value bar you must _______ the bars first. To solve an absolute value inequality involving “Or” just _______ off. The first is the original problem, the second is negative with the sign _______.
isolatebranch
flipped
Today’s Homework
1. Pencil ONLY.2. Must show all of your work.
• NO WORK = NO CREDIT3. Must attempt EVERY problem.4. Always check your answers.
Rules for Homework
Homework 3.7BSolve the inequality.
1. 5x 2. 3x 3. 2 8x
4. 4 7x 5. 6 24x 6. 47
x
7. 2 9 7x 8. 3 9 15x 9. 4 12x
11. 3 7 14x
13. 4 2 6 12 28x 14. 2 3 5 2 6x
12. 2 7 3 6x 10. 4 3 9x
Complete the Ticket Out the Door without talking!!!!!
Talking = time after the bell!
Ticket Out the Door
Put your NAME on the paper.
When finished, turn your paper face DOWN.
Solve the inequality.
2 5 11x