Ask Question
16 March, 08:25

Given the equation square root of 2x-1=7 solve for x and identify if it is an extraneous solution. I came up with the answer 25 but is it an extraneous solution?

+4
Answers (1)
  1. 16 March, 10:26
    0
    Step-by-step explanation:

    To check if a solution is extraneous, simply plug it back into the original equation. If it works, then solution isn't extraneous.

    √ (2x-1) = 7

    √ (2 (25) - 1) = 7

    √ (50-1) = 7

    √ (49) = 7

    7 = 7

    So the solution isn't extraneous.
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Given the equation square root of 2x-1=7 solve for x and identify if it is an extraneous solution. I came up with the answer 25 but is it ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers