 Practice Radicals and Equations Terms of Use    Contact Person: Donna Roberts  Directions: Answer these questions pertaining to working with irrational values.

1.
Solve the equation:   x2 = 121. Choose:
 ± 9 ± 11 ± 13 ± 21

2.
Find the positive solution:   x2 = 18. Choose:    3.
Find the negative solution:   x2 = 24. Choose:
 - - - - 4.
Solve the equation:   x3 = 64. Choose:
 -4 +4 -8 +8

5.
Solve the equation:   x2 - 100 = 0. Choose:
 ± 10 10 only ± 25 ± 6.
Find the length of the hypotenuse of a right triangle whose legs measure 8 units and 15 units. Choose:
 16 17 18 19

7.
Find the length of the hypotenuse of a right triangle whose legs measure 6 units and 4 units. Choose:    8.
Find the length of the side of a right triangle whose leg measures 12 inches and whose hypotenuse measures 13 inches. Choose:
 5 8 9 11

9.
Find the side of a cube whose volume is 64 cubic units. Choose:
 4 6 8 12

10.
Three cubes of equal size (congruent) are placed in a row as shown, so their sides are touching. If the volume of one cube is 24 cubic units, find the total length of the three cubes to the nearest tenth of a unit. Choose:
 2.9 units 8.4 units 2.8 units 8.7 units 