IDENTIFY!
m=???
y=mx+b
Look at some graphs!
Solve for x
What's the...
100
Identify the slope for the equation
y=3x+1
m=3
100
You go up 3 , and right 6, find the slope in simplest form
m=1/2
100
What is the equation if m=2 and b=5 (remember m is slope and b is the y-intercept)
y=2x+5
100
Are these slopes positive or negative?
positive
100
solve
2x+3 = 15
x=6
100
...equation of a line with a negative slope of 5 and it crosses the y axis at 4.
y=-5x+4
200
Identify the y-intercept for the equation
y=-9x-8
b=-8
200
You go down 1, and right 2, find the slope in simplest form
m=-1/2
200
What is the equation if m=1/2 and b=5
y=1/2x+5
200
What is the equation?
y=1/2x+2
200
4x-8=32
x=10
200
...slope the line x=4!
UNDEFINED
300
Identify the slope and y-intercept for y=5x-5.
m= _______ and b=__________
m=5 and b=-5
300
You go up 0, and right 6, find the slope in simplest
m=0
300
The equations when m=1/4 and b=-1
y=1/4x-1
300
What is the equation?
y=2x+1
300
8=10x-42
x=5
300
...the formula to find slope!
400
Identify the y-intercept for
y=x
b=0
400
You go up 4, and right 2, find the slope in simplest form
m=2
400
What is the equation when the slope is -3 and the intercept is 0.
y=-3x
400
Which line has a positive slope?
y=1/2x+2
400
5x+1=3x+5
x=2
400
...slope of (5,1) and (6,6)
m=5!
500
Identify the slope for y=-6
m = 0
500
You go left 2 and up 8, find the slope. CAREFUL
m=4
500
What is the equation when the slope is undefined and the line does not go through the y axis but does go through the point (5,6)
x=2
500
What's the slope?
ZERO!
500
solve
(x+2)/3=-4
x=-14
500
...y-intercept if a point is (1,2) and the slope is 2.
(0,0)