6.5 Square and Cube Roots

Front

What is the square of -7?

Back

The square of -7 is 49.

Front

What is the result of -(4)^2?

Back

The result of -(4)^2 is -16.

Front

What is the cube of -2?

Back

The cube of -2 is -8.

Front

What is the cube root of -27?

Back

The cube root of -27 is -3.

Front

What is 3 raised to the power of 4?

Back

3 raised to the power of 4 is 81.

Front

Define square root.

Back

The square root of a number x is a value y such that y^2 = x.

Front

Define cube root.

Back

The cube root of a number x is a value y such that y^3 = x.

Front

What is the square of a negative number?

Back

The square of a negative number is always positive.

Front

What is the significance of the negative sign in front of a squared number?

Back

The negative sign indicates that the result is the opposite of the square of the number.

Front

How do you calculate the square of a number?

Back

To calculate the square of a number, multiply the number by itself.