4 years ago

Explain how to determine the number of real solutions of x²=50 without solving.

1 answer:

8 0

${x}^{2} = y\Leftrightarrow x = \pm \sqrt{y} \\ \Rightarrow There \: are \: 2 \: real \: solutions \: for \: {x}^{2} = 50$

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