Perfect Squares
The square root of 4
What is 2 or -2
10 plus the square root of 121
What is 21
A square shaped rug has an area of 81 feet squared. What is the length of each side of the rug?
what is 9 feet
Is 7.1234 rational or irrational?
Irrational
The square root of 121
11 or -11
Mrs. Kraus bought her son a cubic aquarium for his fish. The aquarium can hold 216 cubic feet of water. What is the length of each edge of the cubic aquarium?
6 feet.
Why is the square root of 122 irrational?
The square root of a nonperfect square is always irrational.
The square root of 169
13 or -13
the cube root of 216 divided by the cube root of 8
3
3 times the square root of 25 minus 2 times the square root of 36
What is 3
Mr. Pribbernow wants to buy a square picture frame with an area of 225 inches squared. What are the lengths of each side of the picture frame?
15 feet
Why is the number 12/4 a rational number?
It is written as a fraction and simplifies to 3, which is a rational number 3/1.
The positive square root of 36 added to the positive square root of 64
14
What is (-4) cubed?
-64
2 times the square root of 25 plus the cube root of 64
What is 9
Mr. Placey has a square pool whose area is 144 feet squared. How wide is Mr. Placey's pool?
12 feet wide.
Is 6.353553555... rational or irrational?
Irrational.
The positive square root of 144 added to the negative square root of 9
9
True or false: 125 is a perfect square and a perfect cube?
False, it is only a perfect cube?
2 times the square root of 81 added to 4 times the cube root of 216
What is 42
Mr. Untersee's square pool also has an area of 144 feet squared. He would like to make the pool bigger by adding on 1 more foot to each side of the pool. What would the area be of the new pool?
Draw a picture to help!!!!!!!
What is 169 feet squared or 169 ft2
Is the solution to x2 = 49 a rational number(s)? What are the solutions?
Yes it a rational number. The solutions are 7 or -7.