Question

FAN AND MEDAL!!!
If (x + 3)2 = 42, what is the approximate positive value of x?

0.48
3.48
5.48
6.48

Answer 1

Plug in the answer choices and see which one comes out the closest.

Answer 2

so its asking what is the value of X+?. try each answer and see which one works!

Answer 3

i have and i keep getting some weird answer

Answer 4

is d question correct????

Answer 5

better yet, isolate x by squaring both sides, than solve for x
you need to use a calculator though

Answer 6

okay well 0.48+3*2=?
3.48+3*2=?
5.48+3*2=?
6.48+3*2+?

Answer 7

... so d?
i tried that and got a weird answer

Answer 8

oh your right they all come out different. hmmm let me look at it a minute and ill see what i can find out.

Answer 9

thanks @jenks1214

Answer 10

hey isn't x=18.......

Answer 11

I think the answer is B.

Answer 12

can you tell me how you got that ?? @ashhhrodriguez

Answer 13

yeah thats what i though too @srev98

Answer 14

\((x + 3)^2 = 42\\(x+3)=\sqrt{42}\\x+3=6.48074069841\)

Answer 15

Instead of it being times two. I think its exponent of 2. So 3.48+3=6.48. 6.48x6.48= 41.99

Answer 16

wait so is it b or d ?? @bibby @ashhhrodriguez

Answer 17

you guys just confused me

Answer 18

you're not even reading what we're saying

Answer 19

nvm i got it its b

Answer 20

@bibby wrote x+3=6.48074
You have to subtract 3 from both sides getting 3.48

Answer 21

yea I know my sister just showed me how to do it

Answer 22

lol ok yeah

Answer 23

haha yea