Question

Solve 2x2 - 8x = -7.
I just want to know if my answer is correct. I got x=2+- 2 sqr 2

Answer 1

almost :D its x=2 + (- (1)/sqrt(2))

Answer 2

http://www.wolframalpha.com/input/?i=2x2%20-%208x%20%3D%20-7.&t=crmtb01&f=rc

Answer 3

negative 2 plus or minus square root of 2
negative 2 plus or minus 2 square root of 2
quantity of 2 plus or minus square root of 2 all over 2
2 plus or minus square root of 2 end root over 2

Answer 4

those are the answer choices..

Answer 5

o.O therefore choose what you have its look almost the same .