Apuntes
Maths- PC1- co-ordinate geometry
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Perpendicular/ normal gradient=
M1xM2=-1
y-y1=M(x-x1)
y2-Y1
--------
X2-X1
Midpoint=
Y1(X1) + Y2(X2)
-----------------------
2
Tangent follows the line.
Proving something is a right angle use the perpendicular gradient
Distance between two points. Draw out the triangle and work out the distance from x and the distance from y and use the formulae: X^2+Y^2= C^2
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Información
- Descripción
- As revision for co-ordinate geometry- key things that the markscheme asks for
- Creado por
- Usuario eliminado · mar 2017
- Actualizado
- 9 mar 2017
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- Creado por evie.daines · 27 abr 2014
- Copiado por Zion Lee · 9 mar 2017
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