Analytical Geometry Grade 10 Formulas And Theory Reference Sheet

Analytical Geometry
Analytical Geometry



F O R M U L A S




D i s t a n c e O f A L i n e N O T E:
G r a d i e n t
2 2 2
AC = ( X 2 - X 1 ) + ( Y 2 - Y1)

AC = ( X 2 - X 1) 2 + ( Y 2 - Y1 ) 2


M i d p o i n t O f A L i n e
Positive Negative
X 1 + X2 ; Y 1 + Y2
2 2



G r a d i e n t O f A L i n e

M = Y2 - Y 1
X2 - X 1




T H E O R Y




1 P e r p e n d i c u l a r L i n e s 2 P a r a l l e l L i n e s
L2
L1 L1




Gradient ´ Gradient Gradient = Gradient
L1 L2 L1 L2
L2 = -1