Absolute Value Inequalities Lesson Slides: 8 Slides

8 Slides • 8 Questions

1

Absolute Value Inequalities

LO: I can graph absolute value inequalities

By MAURISA LEE VAN AS

2

Starter Activity

Inequality Check

Let's review important facts about graphing inequalities

3

Multiple Choice

If the inequality symbol is $<$ or $>$ , the line will be _________.

1

solid

2

dotted

4

Multiple Choice

If the inequality symbol is $>$ or $\ge$ you shade ________.

1

above

2

below

5

Multiple Choice

Is the point (1, 2) a solution for the following inequality? Choose the best answer that has the best explanation.

1

Yes because it is located in the shaded region.

2

No because it is located on the line and the line is dotted.

3

Yes because it is located on the line.

4

No because it is in the shaded region.

6

Multiple Choice

Write the absolute value inequality represented in the graph.

1

$y\ \ge\left|x+2\right|+1$

2

$y\ \le\left|x-2\right|-1$

3

$y\ \ge\left|x-2\right|+1$

4

$y\ <\left|x-2\right|+1$

7

Review Absolute Value Function

8

9

I DO:

y < I x+1 l

10

WE DO:

y > l x - 1 l +2

11

YOU DO!

Lets review what we've learnt by answering a few questions

12

Multiple Choice

Is the line for the inequality

y ≥ |x+3|- 9 going to solid or dotted?

1

Dotted

2

Solid

13

Multiple Choice

Write the absolute value inequality represented in the graph.

1

$y\ge\left|x+2\right|+1$

2

$y\le\left|x-2\right|-1$

3

$y\ge\left|x-2\right|+1$

4

$y<\left|x-2\right|+1$

14

Multiple Choice

Are we going to shade above or below for y ≤ |x|+1?

1

Above

2

Below

15

Poll

How do you feel about solving absolute value inequalities?

Stop! I don't understand at all!

I mostly understand but I need more guidance

I got it! Give me an extension task!

16

Homework:

Graph the absolute value inequality based on your answer on the poll

Make sure to show your points, use the correct line and shade the correct area

Absolute Value Inequalities

LO: I can graph absolute value inequalities

By MAURISA LEE VAN AS

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