Nayland College

Nayland College - Mathematics

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NZAMT NZQA NZ Grapher NZ Maths Census at School Study It Khan Academy Desmos


Coordinates HOME | Achievement Objectives | Distance | Gradient | Rearranging | Equations | Parallel & Perpendicular | Collinear | Applications | Revision

Overview | Coordinates | Midpoint | Distance between points


Coordinate geometry combines graphing, geometry & algebra together

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Plotting Cordinates

Plotting Coordinate points


A(2,3)   B(-2,4)  C(-1,0)

Join ABC

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Midpoint of a line

Finding the coordinates of the midpoint of a line
 A(-2,4) B(2,-1)



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Average the x and y values

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Line length

Finding the length of a line
A(-2,4) B(2,-1)




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Use Pythagoras to find the line length

a2 + b2 = c2


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