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Graphs
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312360
Mind Map
by
kayleighmegan98
, created
almost 6 years ago
GCSE Maths Mind Map on Graphs, created by kayleighmegan98 on 10/29/2013.
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maths
gcse
graphs
Created by
kayleighmegan98
almost 6 years ago
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Resource summary
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Graphs
1 Algebraic graphs
1.1 y=mx+c
1.1.1 m is gradient
1.1.2 c is y intercept
1.2 1. Make a table for x and y
1.3 2. Plot onto graph
1.4 To find equation from graph
1.4.1 1. pick 2 points on line
1.4.1.1 formula(s)
1.4.1.1.1 gradient = difference in y value / difference in x value
1.4.1.1.2 gradient = distance up triangle / distance across triangle
1.4.2 2. Put m and c into y=mx+c
1.5 Quadratic graphs
1.5.1 Always parabolas
1.5.2 Can be written y = ax2+bx+c
1.6 Cubic and reciprocal graphs
1.6.1 y = ax^3+bx^2+cx+d
1.6.2 Where x is the bottom of the fraction
2 Real life graphs
2.1 Distance / time graphs
2.1.1
2.1.2 Distance on y axis
2.1.3 Gradient represents speed
2.1.3.1 Horizontal = stopped
2.1.3.2 Sloping up = Going away
2.1.3.3 Sloping down = Coming back
2.1.3.4 Steeper the line, faster the speed
2.2 Speed / time graphs
2.2.1 Time is always plotted on the x axis
2.2.2 Gradient represents acceleration
2.2.2.1 Horizontal = Constant speed
2.2.2.2 Sloping up = Accelerating
2.2.2.3 Sloping down = Slowing down
2.2.2.4 Steeper the line, quicker the acceleration
3 Representing data
3.1 Bar charts
3.2 Line graphs
3.3 Frequency polygons
3.4 Cumulative frequency graphs
3.5 Scatter diagrams
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