1.if x2 = 60, what is the value of x?
a. plus or minus the square root of 30
b. plus or minus the square root of 60
c. plus or minus 30
d. plus or minus 120

2. a square piece of cheese covers eight square inches of a plate. what is the approximate length of one side of the piece of cheese? (approximate to the nearest hundredth inch.)
a. 2.81 inches
b. 2.82 inches
c. 2.83 inches
d. 2.84 inches

3. solve x2 = 121.
a. 60.5
b. -11
c. 11
d. plus or minus 11