Graphing Knowledge
What is the slope intercept form?
y=mx+b
Identify the slope.
y=3x -1
3
Identify the y-intercept.
y=3x +1
1
2x + y =1
y= -2x +1
Write in slope intercept form.
m=2
b=3
y=2x +3
What variable is used to represent slope?
m
Identify the slope.
y=-2x +1
-2
Identify the y-intercept.
y=x -2
-2
-3x + y= 7
y= 3x +7
Write in slope intercept form.
m=-7
b=-2
y=-7x-2
What variable is used to represent the y-intercept?
b
Identify the slope.
y=3
Identify the y-intercept.
y=x -5
-5
-4x -y = 8
y = -4x -8
Write in slope intercept form.
m=0
b=5
y= 0x +5
or
y= 5
How do you find the slope on a graph?
rise over run
Identify the slope.
y=x + 8
1
Identify the y-intercept.
y= 6
6
x + 2y =4
y = -1/2x + 2
Write in slope intercept form.
y-3 = 4(x +1)
y= 4x +7
When graphing an equation, what do you always graph first, the slope or the y-intercept?
y-intercept
Identify the slope.
y= -x-3
-1
Identify the y-intercept.
y= -2x
0
3x + 3y = 9
y = -x + 3
Write in slope intercept form.
y -2= 3(x -2)
y= 3x -4