square root & cube root

• Square Root - a number which, when multiplied by itself results in another number.
• A cube number is a number or variable that is 'cubed' which means it is multiplied to itself three times.
• The cube root of a number is the value being multiplied to itself three times.
• Cube rooting a number is the inverse operation of cubing a number.
• All square roots have both positive and negative answers.
• The positive root is called the principal.
• If the square root symbol is used, give the principal (positive) square root.
• To get the area of a square, we can use the formula A=s2.