S13 Practice
Name______________________________
1. Use your calculator to get a
decimal approx. to nearest
hundredth.
√
√
2. Rationalize the denominator. 3. Find the real solutions.
√
Approximate x to the nearest
hundredth if it’s not an integer.
√
Discuss.
√
√
4. An exercise ball is made from
8000 square centimeters of
material. Find the diameter of the
ball to the nearest hundredth of a
cm. (Use the formula
for
the surface area of a sphere.)
5. What is the simplified form of
√
√ ? Notice these are
not “like terms” -- yet. Simplify the
radicals first.
6. Find the simplified expressions
for the perimeter and area of a
rectangle with the given
dimensions.
Length:
and Width:
7. Simplify.
8. Simplify each.
√
√
9. Simplify.
√
√
√
√
√
10. Simplify.
√
(
( )
√
11. Simplify.
√
√
( )
√
12.
√
√
1/5
√
√
(
)
S13 Practice
13. Solve. Approx. x to the
nearest hundredth. You
should get two solutions for
each equation.
Name______________________________
14. Simplify the expression.
√
√
√
15. A right circular cylinder
has a height of 6 inches and a
volume of 600 in3.
Determine the radius to the
nearest tenth.
√
Then use the radius to
determine the surface area to
the nearest tenth.
16. An exercise ball has volume
17. Simplify the expression.
8500 cubic centimeters. Find the
radius of the ball to the nearest
hundredth of a cm. (Use the
formula
for the volume of
a sphere.)
18. Find the simplified
19. Simplify the expression.
21. Rationalize the
denominator.
20. Simplify the expression.
√
√
expressions for the perimeter and
area of a rectangle with the given
dimensions.
Length:
and Width:
√
√
√
√
√
√
√
√
√