SOL 8.3 Square Roots

Front

What is a square root?

Back

A square root of a number is a value that, when multiplied by itself, gives the original number. For example, the square root of 9 is 3, because 3 x 3 = 9.

Front

What is the square root of 256?

Back

16, because 16 x 16 = 256.

Front

What is the square root of 361?

Back

19, because 19 x 19 = 361.

Front

What is a perfect square?

Back

A perfect square is an integer that is the square of another integer. For example, 1, 4, 9, 16, and 25 are perfect squares.

Front

Which of the following is NOT a perfect square: 9, 10, 25, 16?

Back

10 is NOT a perfect square.

Front

Which of the following is a perfect square: 39, 50, 6, 81?

Back

81 is a perfect square.

Front

Evaluate -√256.

Back

-16.

Front

Evaluate √15.5.

Back

Approximately 3.87.

Front

Evaluate √220.

Back

Approximately 14.83.

Front

Evaluate √250.

Back

Approximately 15.81.