math terms square root, Interger Unit

Rational Number

A number that can be written as a fraction

irrational number

A number that cannot be expressed as a ratio between two integers and is not an imaginary number. If written in decimal notation, an irrational number would have an infinite number of digits to the right of the decimal point, without repetition. Pi and the square root of 2 (√2) are irrational numbers. If written in a decimal notation it can not repeat and can not end.

Interger

All whole numbers (both positive and negative) and zero, not a fraction

non-real number

An imaginary, number is any number that, when multiplied by itself, produces a negative number. Mathematicians use the letter "i" to symbolize the square root of -1. An imaginary number is any real number multiplied by i. For example, 5i is imaginary; the square of 5i is -25.

Label Radical Sign and Radicand

Radical sign The number in or under the radical sign is the radicand

Square Root of 9

Square root of a number is one of its two equal factors such as 3x 3

whole number

any integer from 1 to infinity

real number

Every number we know; the type of number we normally use, such as 1, 15.82, −0.1, 3/4, etc. Positive or negative, large or small, whole numbers or decimal numbers are all Real Numbers. They are called "Real Numbers" because they are not Imaginary Numbers.

square

is the result of multiplying a number by itself.

Radical Sign

Is used to indicate nonnegative square root. every positive number has both a positive and negative square root.