Posted by **kiMBERLY** on Monday, July 12, 2010 at 10:46pm.

Explain the difference between solving a system of equations by the algebraic method and the graphical method. Someone also wants to know why there are different methods for solving the same problem-what would you tell him?

Tiffany Oakes

- algebra -
**Henry**, Tuesday, July 13, 2010 at 11:16pm
If you were going to solve 2 linear equations graphically, you would graph each equation, and the point where they intersect would be the solution.

One advantage is that you can see what

the curves look like. One disadvantage

is that graphing is not as accurate as

an algebraic solution. When graphing,

a point might fall between lines and

you will have to estimate thelocation.

Elimanation and substitution are the

two methods normally used for solving

a system of 2 equations. One method is

not always better than the other,It

depends on the user and the complexity

of rhe equations. I decide which me-

thod to use after inspecting the

equations. So you should know how to

use both methods.

- algebra -
**alex**, Sunday, September 12, 2010 at 5:22pm
can someone pls show me how to work this

1) x+y=0

7x-7y=0

2) 2x-5y=1

3x+y=-7

3) 1/3x-4=6

x-3y=0

can someone show me how to work these please asap today thanks

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