Math 8 Review- Classifying Real Numbers- Square Roots

Front

What are natural numbers?

Back

Natural numbers are the set of positive integers starting from 1, i.e., 1, 2, 3, 4, ...

Front

What is the result of simplifying the expression 2(4x-1)+3x?

Back

The result is 11x - 2.

Front

Can X^2 be combined with X in algebraic expressions?

Back

False, X^2 and X are not like terms and cannot be combined.

Front

What is the range of the square root of a negative number?

Back

The square root of a negative number is an imaginary number.

Front

What are the two consecutive integers between which -√7 lies?

Back

-√7 lies between -3 and -2.

Front

What are whole numbers?

Back

Whole numbers are the set of non-negative integers, including 0, i.e., 0, 1, 2, 3, ...

Front

What is the definition of rational numbers?

Back

Rational numbers are numbers that can be expressed as the quotient of two integers, where the denominator is not zero.

Front

What is the definition of irrational numbers?

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction, and their decimal representation is non-repeating and non-terminating.

Front

What is the square root of 16?

Back

The square root of 16 is 4.

Front

What is the square root of 25?

Back

The square root of 25 is 5.