t9mbreasHarveemano t9mbreasHarveemano

13-05-2016
Mathematics

contestada

Solve 2x^2 = 72.
Question 1 options:
{±18}
{±36}
{±6}
{±8}

Respuesta :

Аноним Аноним

13-05-2016

all you do is have to plug each option in for x
2*18^2=684
2*36^2=2592
2*6^2=72
2*8^2=128
So it's C.6

Answer Link

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.

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