4rr4p7sqgd
4rr4p7sqgd 4rr4p7sqgd
  • 19-05-2021
  • Mathematics
contestada

which equation has both 5 and -5 as possible values of y?

which equation has both 5 and 5 as possible values of y class=

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Rinkhals
Rinkhals Rinkhals
  • 19-05-2021

Consider : y² = 25

⇒ y = [tex]\sqrt{25}[/tex]

We know that : 5² = 25 and also (-5)² = 25

⇒ y = [tex]\sf{\sqrt{(5)^2} \ \text(or) \ \sqrt{(-5)^2}}[/tex]

⇒ y = +5 or -5

So, The Answer is C

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