Question

Solve 2x2 = 128.



A.


{±8}


B.


{±6}


C.


{±64}


D.


{±32}

Answer 1

i'm thinking A for the answer

Answer 2

\[2x^2=128\quad :\quad x=8,\:x=-8\]

Answer 3

yes A

Answer 4

thanks

Answer 5

you are right @speartonion

Answer 6

wellcome :) @speartonion

Answer 7

:)