Question

√x-8+8=x

Answer 1

1. Subtract 8 from both sides.
2. Square both sides.
3. Set the equation equal to 0
4. Factor and solve.
5. Check your answers since one of them may be extraneous

Answer 2

What's the answer? I don't have a calculator and I have limited time for this virtual test.

Answer 3

I do not know the answer.

Answer 4

That is for you to discover.

Answer 5

x=8
x=9
x=8 and x=9
none of the above

Answer 6

How do I square something?

Answer 7

Plug them in. See which ones make the sentence true.

Answer 8

Should be much faster than solving.

Answer 9

I don't have a calcuolator. What do I plug in?
*calculator