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t9mbreasHarveemano
t9mbreasHarveemano t9mbreasHarveemano
  • 13-05-2016
  • Mathematics
Answered

Solve 2x^2 = 72.

Question 1 options:

{±18}

{±36}

{±6}

{±8}

Verified Answer :

Anonymous Anonymous
  • 13-05-2016

all you do is have to plug each option in for x
218^2=684
236^2=2592
26^2=72
28^2=128
So it's C.6

Answer Link
jessla314
jessla314 jessla314
  • 13-05-2016

You divide both sides by 2 to get X^2=36. You then square root both sides to get X=6. The answer is d.6.

Answer Link

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