Search for tag: "rational number"

Rationalizing a denominator: Quotient involving a monomial

Two quick demonstratoins of a rational expression containing radicals being ratioinalized by multiplication of a form of one to transform a radical in the denominantor to a whole number.

From  Tom Grant 18 plays 0  

Rationalizing a denominator: Square root of a fraction

This discusses what rationals and irratioinals are, then goes on to demonstrate how to eliminate any radical number in the denominator.

From  Tom Grant 8 plays 0  

Plotting rational numbers on a number line

Just showing how to locate different fractions on a number l ine

From  Tom Grant 31 plays 0