| Radical Equations |
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Equations can contain variables under radicands. These are called radical equations. |
Below we have a radical equation. It is solved much like a regular equation:
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Figure 1. |
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Because we're working with radicals, your original solution may not always work:
| Extraneous Solutions |
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Make sure to check your final answer. If your final answer doesn’t work in the original equation, it is an extraneous solution. |
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Figure 2. |
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