Tuesday, September 20, 2011

Equations

Linear equation
ax + b , a.b can be any value
eg. 2x-30=0 , 3x=0
1/2 x+ 4=0
3y + 2 = 4
13z=0

Quadratic equation
ax^2 + bx + c = 0
eg. 2x^2 + 4 = 0
3x^2 + 11x -7 = 0
60^2 - 40 = 0

No solution!
3/x = 2/x
3=2 !?

n/0 = undefined

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