Week 7 DQ 3 - 1 Plug the answers back in into ONE only or...

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Week 7 Discussion Question: Checking your Answer Post to the Main Forum. Address the following: After solving a system of linear equations, how can you check your answer to determine whether it is correct? Demonstrate the process of checking an answer with an example. There are 2 main ways:
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Unformatted text preview: 1. Plug the answers back in into ONE only, or two if you are a little bit uncertain still. 2. Solve using one way, then check by solving using another way (preferably graphing) then check by substituting answers 3. Do all 3 ways and check by plugging back in!...
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