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Inequalities and their Graphs. 2. 3. 4. 5. 6. 7. 8. Inequalities and their Graphs. Objective: To write and graph simple inequalities with one variable. Inequalities and their Graphs. What is a good definition for Inequality?.

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Inequalities and their graphs1
Inequalities and their Graphs

Objective: To write and graph simple inequalities with one variable


Inequalities and their graphs2

Inequalities and their Graphs

What is a good definition for Inequality?

An inequality is a statement that two expressions are not equal

2

3

4

5

6

7

8


Inequalities and their graphs

Inequalities and their Graphs

Terms you see and need to know to graph inequalities correctly

< less than

Notice open circles

> greater than


Inequalities and their graphs

Inequalities and their Graphs

Terms you see and need to know to graph inequalities correctly

≤ less than or equal to

≥ greater than or equal to

Notice colored in circles


Inequalities and their graphs

Inequalities and their Graphs

Let’s work a few together

Notice: when variable is on left side, sign shows direction of solution

3


Inequalities and their graphs

Inequalities and their Graphs

Let’s work a few together

Notice: when variable is on left side, sign shows direction of solution

7


Inequalities and their graphs

Inequalities and their Graphs

Let’s work a few together

Notice: when variable is on left side, sign shows direction of solution

Color in circle

-2


Inequalities and their graphs

Inequalities and their Graphs

Let’s work a few together

Notice: when variable is on left side, sign shows direction of solution

8

Color in circle







Inequalities and their graphs

2







Answers 1 through 5
Answers: 1 through 5

1. 2.

3. 4.

5.

10

-6

25

-15

13


Answer 6 through 10
Answer 6 through 10

6.

b ≤ -7


Inequalities and their graphs

On your Own

7.

a > 8


Inequalities and their graphs

On your Own

8.

q ≥ -5


Inequalities and their graphs

On your Own

9.

s < 14


Inequalities and their graphs

On your Own

10.

m ≥ 8


Answers 6 through 10
Answers: 6 through 10

6. 7.

8. 9.

10.

-7

8

-5

14

8


Inequalities and their graphs

Graphing Inequalities

Excellent Job !!! Well Done