math

posted by gail

Solve the system of equations by graphing
2x+y=8
X+3y=9

  1. jassi

    y = 2, x = 3

  2. Steve

    visit rechneronline.de/function-graphs

    for excellent graphs. Set the limits for x and y and let 'er fly.

    The only inconvenience is that you need to express y as a function of x first.

    For more versatile graphs, but less control over ranges, try

    wolframalpha.com and enter

    plot 2x+y=8, x+3y=9

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