What are the solutions of the equation x² – 9 = 0? Use a graph of the related function?

graph Link:

http://mathway.com/answer.aspx?p=grap?p=xSMB072-9SMB010?p=True?p=True?p=True?p=False?p=True

Choices are:

A. there are two solutions: -3 and 3. opens from the bottom

B. There are two solutions: (+/)√3.

C. There are two solutions: -3 and 3. opens from the top.

Question

What are the solutions of the equation x² – 9 = 0? Use a graph of the related function?

graph Link:

http://mathway.com/answer.aspx?p=grap?p=xSMB072-9SMB010?p=True?p=True?p=True?p=False?p=True

Choices are:

A. there are two solutions: -3 and 3. opens from the bottom

B. There are two solutions:  (+/)√3.

C. There are two solutions: -3 and 3. opens from the top.

anonymous · Answer

give  some type of answer and get a metal.

experimentx · Answer

A

experimentx · Answer

i don't think i will open or close form top or bottom ... because you just a solve kinda equation.

if it were x² – 9 = y, then i would have said it opens upward.

experimentx · Answer

and dowmward for -y on above equation

anonymous · Answer

good Question. :)