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.