Thursday, August 26, 2010

standard form equation


In this blog we are going to learn about the standard form equation.Equation is mainly used in algebra. To get more knowledge on this kind of concept try to see Free Pre Algebra help online.
 Standard form is nothing but a way of writing down very large or very small numbers easily
Standard form equations
Standard form equation is the general representation of an equation. There's different types of standard form equation such that linear equation, quadratic equation, polynomials etc. Example:
Find the equation of a line,given slope is 2 and passing through a point (2, 4)
Given that
Slope m = 2 Point = (2, 4)
Line passing through a point and with slope m is y – y0 = m (x – x0)
y – y0 = m (x – x0)
y – 4 = 2 (x – 2)
y – 4 = 2x – 4
2x - 4 – y + 4 =0
2x – y – 4 + 4 =0
2x – y =0
Therefore equation of a line is 2x – y =0.
This a small example on standard form of equation.

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