From a Table
From a Graph
From 2 Points
From an Equation
Random
100
2
100
Find Slope
-1/2
100
(1, −19) and (−2, −7)
-4
100
Identify the slope and y-intercept:
y = 4x + 12
Y-Intercept: 12
Slope: 4
100
Slope is also considered: The _________ over the ______
The change in Y over the change in X
The rise over the run
200
y=4x-5
If the slope changes to 1/2, what would the new equation be?
y=1/2x-5
200
What rule is applied when we subtract by a negative?
Keep-Change-Change
Subtracting a number is the same thing as adding it's opposite
200
(19, 3) and (20, 3)
0
200
Identify the slope and y-intercept:
y = 12 - x
Y-Intercept: 12
Slope: -1
200
What is the formula for finding slope from 2 points?
(Y2-Y1)/(X2-X1)
300
3
300
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300
(17, 13) and (22, 8)
-1
300
Identify the slope and y-intercept:
y=-3x-6
Y-Intercept: -6
Slope: -3
300
Define Y-Intercept
THE POINT IN THE LINE THAT CROSSES THE Y AXIS
or when X=0
400
3/2
400
Find Slope
-2
400
(19, −16) and (−7, −15)
-1/26
400
Identify the slope and y-intercept:
y=15-0.5x
Y-Intercept: 15
Slope: -0.5
400
What are the four types of slopes we covered in class?
Positive
Negative
Undefined
Zero
500
Find the slope of the table
-4
500
y=2/3x+6
If the Y-Intercept changes to -4, what would the new equation be?
y=2/3x-4
500
(12, 2) and (−7, 5)
-3/19
500
Identify the slope and y-intercept:
y=-3/4+8/9x
Y-Intercept: -3/4
Slope: 8/9
500
What is Slope-Intercept Form?
Y=MX + B