Review and Grapher.

Domain,

Range, and

Function.

{(2, –3), (4, 6), (3, –1), (6, 6), (2, 3)}

What is your domain and range?

{(2, –3), (4, 6), (3, –1), (6, 6), (2, 3)}

Domain: {2,3,4,6} Range: {-3,-1,3,6}

x y

2 -2

4 6

3 -1

6 6

2 3

Is this a function?

{(2, –3), (4, 6), (3, –1), (6, 6), (6, 3)}

x y

2 -2

4 6

3 -1

6 6

6 3

{(2, –3), (4, 6), (3, –1), (6, 6), (6, 3)}

Duplicatex-values

Duplicate

x-values

Not a function

Is each line a function or not?

GrapherFollow along with your group members.

Opening up GrapherBe sure to click on default, and press choose.

Opening up GrapherYou should see this when it opens.

You will be working with points.You will be plotting points where a line will be drawn.

You will see a line with points.This is just how it will first present. We will edit it.

After clicking on Edit Points,You will highlight, and delete the last 3rd column.

After deleting the 3rd column,You should see column 1 (for x) and column 2 (for

y).

You can edit the numbers,Double click the number in the column and type a #.

Ask any

questions

now.

If not, we will proceed to parallel and perpendicular lines.

Parallel LinesLines that do not touch ever.

Perpendicular LinesLines that touch at a 90°angle.

Work with

your group

on the

worksheet.It is due by the end of the period.

Use your textbook, internet, and PowerPoints.