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

Many people opposed immigration. What was one of the big concernsA. Political officeB. JobsC. SchoolsD. Housing​
HELP PLEASE!!!! ONLY ANSWER IF YOU KNOW, WILL GIVE BRAINLIEST!!!!
easy 5th grade math please look at photo and show work. Giving brainliest!!
#5: Solve the following equation 60=5r-4r+14 (Show Work Here)
pls pls helpppppppppppppp
Help me plssssssssssss
Can you help A B C Or D image is here
WILL BRAINLIST IF RIGHT (20points)
(HELP ME PLEASE!!!!!)Based on the chart of word roots and affixes, what is the most likely meaning of the word deflect? A. To write in reverse B. To move forwa
Please I need someone very smart to explain this open ended this is algebra 2