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Ch. 1
A linear equation in a single variable x has form: ax=b
If not, its a nonlinear equation in 1 variable.
Ex: ax
2
+bx +c=0
less than or equal to 2 solutions
sin(x)=0
infinite number of
solutions
ax
5
+bx
4
+cx
3
+dx
2
+ex+f=0
5 or less solutions, no quadratic formulas for this
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This document was uploaded on 10/04/2011.
 Winter '11

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