Drakula Drakula

27-05-2014
Mathematics

Answered

What are the solutions to the equation y² –1 = 24?

Choose all answers that are correct.

Answer :

dandann dandann

27-05-2014

Y2 = 25 therefore y can either equal +_ 5

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27-05-2014

Sadly, you didn't give me any choices to choose from.

y² - 1 = 24

Add 1 to each side :

y² = 25

y = √25

y = +5
and
y = -5

Answer Link

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