Question

Solve the equation x2 − 100 = 0.

Answer 1

Mine shows work & gives yuh the answer :)

Answer 2

\[x ^{2}=100\]\[\sqrt{x ^{2}}=\sqrt{100}=\pm 10\]

Answer 3

x=10

Answer 4

X=50

because X2=100
100/2 =50
x=50

Answer 5

x^2=100
x=\[\sqrt{100}\]
x=10

Answer 6

so is it 0,10?

Answer 7

@ mack,
http://www.wolframalpha.com/input/?i=x2%20%E2%88%92%20100%20%3D%200.&t=crmtb01
That's the answer.

Answer 8

are you sure -10,10 is the answer

Answer 9

@Jnash123 go look at the webite i posted itll help you a lot

Answer 10

i did but are you SURE its the right answer?

Answer 11

i did it and my calculator did it :)

Answer 12

haha ok thank you ;)

Answer 13

NP :)

Answer 14

i have another ?

Answer 15

shoot

Answer 16

what is the x-6(over the square root sign)=6

Answer 17

i ment under the square root sign

Answer 18

one sec

Answer 19

ok

Answer 20

you want x-6√=6?

Answer 21

x-6 under the square root sign=6

Answer 22

x-6=\[6^{2}\]
x-6=36
x=36-6
x=30

Answer 23

how is that?

Answer 24

x-6=36
x=36-6
x=30

Answer 25

is it really 30?

Answer 26

Sorry x=36+6
x=42

Answer 27

guys which one is it? 30 or 42??????

Answer 28

It's 42

Answer 29

are you sure?

Answer 30

Yh

Answer 31

can you help me with this? If f(x) = x2 − 2x + 9 and g(x) = 8 − x, what is (f o g)(−4)?