Question

Solve for d. sqrtd^2-11 = 5

4, -4
5, -5
5, 6
6, -6

Answer 1

@Hero

Answer 2

The equation is
\[\sqrt{d^2}-11=5\] right?

Answer 3

the squareroot goes all the way to 11

Answer 4

oh okay. So, you're solving
\[\sqrt{d^2-11}=5\] well, the square root of d^2 is d. So, you can rewrite this as
\[d-\sqrt{11}=5\] Following?

Answer 5

The squareroot of 11 is 3.31

Answer 6

Right. So, what -3.31 gives you 5?

Answer 7

what do you mean what -3.31 gives you 5?

Answer 8

What gives you 5 when you subtract 3.31?

Answer 9

1.69?

Answer 10

Hmm.... doesn't seem to be one of your answers. Can I see the full problem? Maybe I'm not understanding this.

Answer 11

step by step answer is here

http://www.mathskey.com/question2answer/11481/solve-for-d-sqrtd-2-11-5