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Unit 1a review of basic algebra.notebook
1
September 19, 2016
May 1012:48 PM
Rewriting Inequalties Using Interval Notation
Objective for today's lesson:
• Writing the answer to an inequaltiy in interval notation.
AGENDA Lesson 1.8
1)HW out!
2) Complete WU 1.7
3) Review HW
4) Today Interval Notation
Solutions HW 16
1) 14
2) 8
3) $11
4) $52.5
5) $300
6) 41 females and 21 males
Unit 1a review of basic algebra.notebook
2
September 19, 2016
May 1012:48 PM
Draw the following inequality on a number line.
Do you remember what the "extra line" means?
Students will be able to write an inequaltiy using interval notation.
Solution on next slide
Unit 1a review of basic algebra.notebook
3
September 19, 2016
May 1012:48 PM
Let's learn how to write an inequality using interval notation.
Students will be able to write an inequaltiy using interval notation.
Unit 1a review of basic algebra.notebook
4
September 19, 2016
Sep 2312:17 PM
Students will be able to write an inequaltiy using interval notation.
Unit 1a review of basic algebra.notebook
5
September 19, 2016
May 1012:48 PM
[ is called the left hand bracket symbol.
] is called the right hand bracket symbol.
Example: ‐8 x 7 written in interval notation [‐8, 7]
[‐8, 7] means the set of numbers between & including ‐8 and 7.
Students will be able to write an inequaltiy using interval notation.
[ ]
Unit 1a review of basic algebra.notebook
6
September 19, 2016
May 1012:48 PM
( is called the left hand parenthesis symbol.
) is called the right hand parenthesis symbol.
Example: ‐ 8 < x < 7 written in interval notation is (‐8, 7)
(‐8, 7) means the set of numbers between ‐8 and 7
(does not include ‐8 or 7).
Students will be able to write an inequaltiy using interval notation.
( )
Unit 1a review of basic algebra.notebook
7
September 19, 2016
May 101:59 PM
Fill in the missing interval notation
with either a parenthesis or
bracket.
Inequality Notation Interval Notation
(2, 15
(2, 15
[2, 15
2, 15
Students will be able to write an inequaltiy using interval notation.
Unit 1a review of basic algebra.notebook
8
September 19, 2016
May 1012:48 PM
How would you rewrite the following using interval notation?
1. 2.
Students will be able to write an inequaltiy using interval notation.
Unit 1a review of basic algebra.notebook
9
September 19, 2016
Sep 235:11 PM
0 1 2 3 4 5 6
0 1 2 3 4 5 6
0 1 2 3 4 5 6
0 1 2 3 4 5 6
(
(
)
)
]
][
[
Students will be able to write an inequaltiy using interval notation.
New graph
Unit 1a review of basic algebra.notebook
10
September 19, 2016
May 1012:48 PM
How would you rewrite x > -1 using interval notation? Ask yourself who is the first "#" and who is the last "#"?
What about x > -1?Draw it on a number
line:
Students will be able to write an inequaltiy using interval notation.
Unit 1a review of basic algebra.notebook
11
September 19, 2016
May 1012:48 PM
Write in interval notation.
Students will be able to write an inequaltiy using interval notation.
Unit 1a review of basic algebra.notebook
12
September 19, 2016
Sep 235:11 PM
0 1 2 3 4 5 6
0 1 2 3 4 5 6
(
]
Students will be able to write an inequaltiy using interval notation.
Unit 1a review of basic algebra.notebook
13
September 19, 2016
Jul 89:49 AM
Inequality Notation Graph Interval Notation
1.
3.
2.
4.
Students will be able to write an inequaltiy using interval notation.
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