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12-09-2019
Mathematics

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Suri solved the equation x squared = 49 and found that x=7. What error did Suri make?

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emily10898Emily10898 emily10898Emily10898

12-09-2019

Answer:

x = [tex]\frac{+}{-}[/tex] 7

Step-by-step explanation:

[tex]x^{2}[/tex] = 49

[tex]\sqrt{49}[/tex] can equal 7 or -7

7 x 7 = 49. -7 x -7 = 49

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