# Search for tag: "root"

#### Exponents and signed fractions

Two examples of applying exponents to fractions in certain ways. Other examples should be investigated.

From  Tom Grant 4 plays 0

#### Identifying numbers as rational or irrational

A brief description of the difference between rational and irrational numbers followed by examples of number in both categories.

From  Tom Grant 5 plays 0

#### Square root of a perfect square

Shows how square rooting is the opposite of squariing

From  Tom Grant 6 plays 0

#### Discriminant of a quadratic equation

Gives the three possible answers that result from calculating a discriminant, then demonstratew with two different quadratic equations.

From  Tom Grant 9 plays 0

This shows how to insert the given value into a given radical equation and solve for the other variable inside a square root.

From  Tom Grant 8 plays 0

Two examples here of solving radical equations. Both have one radical that each need isotation before squaring both sides.. Emphasis is p laced on checking your answer because the one arrived at…

From  Tom Grant 8 plays 0

Squaring both sides of this equation means squaring a binomial. This is demonstrated by this video.

From  Tom Grant 11 plays 0

This radical equation when sqaured to eliminate the sqaure root creates a quadratic equation that can then be solved by factoring.

From  Tom Grant 6 plays 0

#### Solving a radical equation that simplifies to a linear equation: Two radicals

This demonstrates how to solve an equation where two radicals are equal and there are no other terms on either side of th equation

From  Tom Grant 9 plays 0

#### Solving a radical equation that simplifies to a linear equation:One radical, basic

Two examples that show different possible results from solving a radical equation. You must always check the answer to these.

From  Tom Grant 11 plays 0

#### Introduction to solving a radical equation

A qucik demo to get you started on solving radical equations

From  Tom Grant 17 plays 0

#### 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 8 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 7 plays 0

#### Simplifying a quotient involving a sum or difference with a square root

This demonstrates creating a multiplication in the numerator of a rational expression that will allow the expression to be reduced by dividing like factors to simply one

From  Tom Grant 10 plays 0

#### Special products of radical expressions: Conjugates and squaring

This demonstrates the squaring of a binomial with radical terms and the multiplication of conjugates (sum and differences of the same terms)

From  Tom Grant 11 plays 0

#### Simplifying a product involving square roots using the distributive property: Basic

Demonstrates distribution when radicals are invovled.

From  Tom Grant 9 plays 0