Square roots and real numbers
Connect squares with square roots and distinguish rational and irrational real numbers.
Meaning
A square root of a is a number whose square is a. Real numbers include rational numbers and irrational numbers, which cannot be expressed as rational numbers.
Example
Practice for this concept
Scope and references
Topics
Square roots, radicals, irrational and real numbers, operations with square roots, rationalizing denominators
Learning goal
Connect squares with square roots and distinguish rational and irrational real numbers.
Helpful background
Check squaring and distinguish a positive length from the two roots of an equation.
Square roots and real numbers
These ordinary choice questions provide limited practice in this concept. They do not establish independent solution, full-concept performance, or mastery.