Seudónimo Seudónimo
  • 13-02-2019
  • Mathematics
contestada

I'LL GIVE BRAINLIEST What are solutions to the equation y^2 - 1 = 80
-5 and 5
-4 and 4
-7 and 7
-9 and 9
which one???

Respuesta :

fritosglaze
fritosglaze fritosglaze
  • 13-02-2019

The answer is -9 and 9

-9 to the second power is 81. 81 minus 1 is 80.

9 to the second power is 81. 81 minus 1 is 80.

Hope this helps!

Answer Link

Otras preguntas

You are going to buy doughnuts for your coworkers. You buy 2 boxes of glazed doughnuts for $3.99 each, 3 boxes of chocolate-covered doughnuts for $4.49 each and
find the probablitty of z occuring in the indicated region
a pure color has been altered through color mixing, ir ceases to be ?
A homogeneous mixture of two or more substances is called
1. What were the Townshend acts? A: The British put taxes on imported goods such as tea and glass B: The British pt taxes on Hotels and other lodging accomodati
How do I find the complement of an angle that measures 54degrees
What type of phrase is underlined in this sentence? The train will be arriving in an hour or two.the word in bold is the underline sentence!
What was a major obstacle to drafting a new constitution at the Constitutional Convention of 1787?
The area of a circle with a diameter of 240 mm is?
Whag is the answer to this equation: 13-4x=1-x