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Graphing

Jennifer Gonzalez
by

Jennnnnifer G

on 13 December 2013

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Transcript of Graphing

2010
2011
2012
Slope Intercept-Form
Graphing in Standard Form
Graphing Inequalities
Translating the Parent Graph
Graphing
Slope-Intercept
Form
y=mx+b
rise
run

slope
intercept
Example:
y=
2
1
x+4
.
.
You start with the
intercept which is 4 and then
with the slope
2
1
2013
Graphing in
Standard Form
standard form: Ax+By=C
ex) 2x+3y=18
Change Standard Form
into Slope intercept Form
2x+3y=18
-2x -2x
3y=-2x+18
3 3 3
y=-2x+6
3
.
.
y=mx+b
m=-2/3
b=6

Graphing
Inequalities
We are going to graph the
inequality in slope-intercept form
so we can graph it.
Example:
2x-3y<6
-2X -2X
-3y<-2x+6
y>2/3-2
-3 -3
-
-
.
.
Now we need to find out which side to shade in.
To figure out which side
we should shade,
let's go ahead and use (0,0)
You have to get the
intercept to go with the
equation and if its true you
need to shade in the left side
> or < dotted line.
> or < solid line
-
-
0 > -2
The equation is correct
so we have to shade in
the the left side
Translating the
Parent Graph
Start at (0,0)
Slope=1
Hersheys
Translating
y=a(x-h)+k
start (-h,k)
slope=a
Example:
y= (x+5)-4
3
5
Start (-5,-4)
Slope=3/5
.
.
(Turn on
speaker to
hear music
in the
back ground)

Thanks for watching
-
-3
Full transcript