straight line graph reminder
Post on 03-Dec-2014
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Graphing…linear function
Data
Graphing…linear function
Data Plot graph
Graphing…linear function
Data Plot graphDraw lineof best fit
Graphing…linear function
Data Plot graphDraw lineof best fit
Find gradientand intercept
Graphing…linear function
Data Plot graphDraw lineof best fit
Find gradientand intercept
Write formulafor line
Straight line graphs
Linear Function
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0
10
20
30
40
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0 10 20 30 40 50 60 70 80 90 100
X
Y
Straight line graphs
Linear Function
-50
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-10
0
10
20
30
40
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0 10 20 30 40 50 60 70 80 90 100
X
Y
Intercept is where line crosses Y axis
Straight line graphs
Linear Function
-50
-40
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-20
-10
0
10
20
30
40
50
0 10 20 30 40 50 60 70 80 90 100
X
Y
Intercept is where line crosses Y axis
Y-step
X-step
Straight line graphs
Linear Function
-50
-40
-30
-20
-10
0
10
20
30
40
50
0 10 20 30 40 50 60 70 80 90 100
X
Y
Intercept is where line crosses Y axis
Y-step
X-step
stepx
stepyGradient
Straight line graphs
Linear Function
-50
-40
-30
-20
-10
0
10
20
30
40
50
0 10 20 30 40 50 60 70 80 90 100
X
Y
Intercept is where line crosses Y axis
Y-step
X-step
stepx
stepyGradient
Y = grad x X + Intercept
Straight line graphs
Linear Function
-50
-40
-30
-20
-10
0
10
20
30
40
50
0 10 20 30 40 50 60 70 80 90 100
X
Y
Intercept is where line crosses Y axis
Y-step
X-step
stepx
stepyGradient
Y = grad x X + Intercept
Y = mx + c
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