Square & Cube Roots
Can a cube root have a negative sign inside the radical? Explain your reasoning.
3sqrt- 64
Yes because...
negative * negative * negative = negative
x^2 =9
3
This square root is closest to which integer (whole number)?
sqrt27
5
The area of a square ceiling tile is 121 square inches. What is the length of one one edge of the tile? Include units.
11 inches
Which is greater?
sqrt50 or sqrt52
sqrt52
Can a square root have a negative sign inside the radical? Explain your reasoning.
sqrt-64
No because...
Negative * negative = positive only. Cannot equal a negative.
6 = sqrtx
This root is closest to which integer?
sqrt111
11
The area of a square wall is 36 square feet. What is the dimensions of one side? Include units.
6 ft
Choose the correct sign <,>, =
sqrt27 __ 5 2/3
<
The cube root of 125
5
121 = q^2
q= 11
This root is closest to which integer?
sqrt78
9
A cow pen is in the shape of a square with an area of 576 square feet. What are the dimensions of the pen?
24 feet
Choose the correct sign <,>, =
sqrt76 __ 8.560
>
+-sqrt81
9, -9
p^3 = 512
p = 8
This root is closest to which integer?
sqrt34
6
The volume of a big fish tank is 27 cubic feet. What is the length of the base?
3 ft
Choose the correct sign <,>, =
44/4
=
-sqrt144
-12
-x^3 =-8
x= -2
This root is closest to which integer?
sqrt90
9
A tablet is in the shape of a square with an area of 16 square inches. What are the dimensions of the tablet?
4 inches
Choose the correct sign <,>, =
>