square root the squares

which interger times itself is 64?

• 8 and -8

• 8

• -8

Squre root 64 is

• 8

• 8 and -8

• -8

what variable times itself if X² 

• -X

• X only 

• X and -X

Squre root X²  is

• X

• -X

• X and -X

What expression times itself is (X-1)²

• X-1

• ( X-1) and - ( X-1)

• -(X-1) 

square root ( X-1)²

• - ( X-1)

• X-1

• (X-1) and - ( X-1)

The inverse ( opposite) operation of "squared" is "square rooted" so when 9 or -9 is squared, the result is 81. So when 81 is square rooted, what do you get?

• -9

• 9

• 9 or -9

The standard form of Y= 2x-6 is:

• -2X+Y+6=0

• Y-2X=-6

• Y-2X+6=0

• Y+6=2X

What expression times itself is ( y-2)²

• -(y-2)

• y-2

• ( y-2) and - ( y-2)

what is the square root of ( y-2)²

• (y-2) and - ( y-2)

• y-2

• -( y-2)