Please explain how to draw graphs for chapter linear equations.
Asked by somyap | 15th May, 2010, 07:40: AM
Let's say you have two linear equations,
ax + by = c
dx + ey = f.
rearrange them as,
y = -ax/b + c/b
y = -dx/e + f/e.
Then selected values of x from 0, 1, 2, and calculate corresponding values of y from both equations, and plot on the graph. The intersection of the two lines gives the solution to the linear equations.
Answered by | 17th May, 2010, 12:39: PM
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