Question

Solve for d. Square root d^2 -11=5
1.) 4,-4
2.) 5,-5
3.)5,6
4.)6,-6

Answer 1

not sure it supposed to be -16 or 16

Answer 2

wait...

Answer 3

\[\sqrt{d^2-11}=5\]
squaring both sides
\[d^2-11=25\]
\[d^2=25+11=36,d=?\]

Answer 4

What?

Answer 5

I'm confused

Answer 6

same.

Answer 7

It's okay you don't have to answer this I'll try my best to figure it out

Answer 8

\[d=\pm 6\]

Answer 9

the answer should be 6,-6

Answer 10

Okay thanks