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ninashabrang
Group Title
Solve 2x2  8x = 7.
I just want to know if my answer is correct. I got x=2+ 2 sqr 2
 one year ago
 one year ago
ninashabrang Group Title
Solve 2x2  8x = 7. I just want to know if my answer is correct. I got x=2+ 2 sqr 2
 one year ago
 one year ago

This Question is Closed

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
\(2x^28x+7=0\) \(A=2, B=8, C=7\) \(\large \frac{(8) \pm \sqrt{(8)^24(2)(7)}}{2(2)}\) \(\large \frac{8 \pm \sqrt{6456}}{4}\) \(\large \frac{8 \pm \sqrt{8}}{4}\) \(\large \frac{8 \pm 2\sqrt{2}}{4}\) \(\large \frac{4\pm \sqrt{2}}{2}\) OR \(\large 2\frac{\pm \sqrt{2}}{2}\)
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
hmmm are you sure this is the right equation?
 one year ago

ninashabrang Group TitleBest ResponseYou've already chosen the best response.0
oh sorry these are the answer choices: 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
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
So what do you think?
 one year ago

ninashabrang Group TitleBest ResponseYou've already chosen the best response.0
im not sure I cant understand what you typed up there..haha
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
So how did you get your answer?
 one year ago

ninashabrang Group TitleBest ResponseYou've already chosen the best response.0
my own answer is x=2+2 sqr 2
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
How did you get that?
 one year ago

ninashabrang Group TitleBest ResponseYou've already chosen the best response.0
its long in my notebook haha I just need to know if my answer is correct or not
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
Your answer is incorrect
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
Look at my answer above
 one year ago

ninashabrang Group TitleBest ResponseYou've already chosen the best response.0
OH it shows now! thanks! ill review it and find my mistake!
 one year ago

swissgirl Group TitleBest ResponseYou've already chosen the best response.1
\( \large 2 \pm \frac{\sqrt{2}}{2}\)
 one year ago

ninashabrang Group TitleBest ResponseYou've already chosen the best response.0
Thanks!
 one year ago
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