- #1

3x – 4y = 8

0.75x – y = -2

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- Thread starter dr_pooool
- Start date

- #1

3x – 4y = 8

0.75x – y = -2

- #2

HallsofIvy

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There are a number of ways of determining whether or not a system of equations is "independent" or "consistent" but the simplest is to try to solve the equations and see what happens.

- #3

3x – 4y = 8

.75x - y = -2

so,

-4(0.75x – y) = (-2)-4

-3x + 4y = 8

0=16 This is inconsistent

- #4

HallsofIvy

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Yep, you've got it!

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