1.
Find
A.
B.
C.
D.
Hint
2.
Find a number that when squared equals 484.
A.
22 or -22
B.
-22 only
C.
22 only
D.
None of these is correct
Hint
3.
Solve the equation
x
2
= 0.81.
A.
x
= 0.9 or
x
= -0.9
B.
x
= -0.9 only
C.
none of these is correct
D.
x
= 0.9 only
Hint
4.
Determine whether the number
is rational or irrational.
A.
neither
B.
irrational
C.
both
D.
rational
Hint
5.
Simplify
A.
B.
C.
D.
Hint