# Search for tag: "math emporium"

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

Two examples of distributing radicals into a sum of other radicals and simplifying in the process.

From  Tom Grant 11 plays 0

#### Introduction to simplifying a product involving square roots using the distributive property

A quick distribution of a radical into the sum of two numerical terms, one whole and one radical as well.

From  Tom Grant 7 plays 0

#### Introduction to simplifying a product of higher roots

In this example, the multiplication of two fourth-roots of numbers is shown and the reduction of the result

From  Tom Grant 11 plays 0

#### Simplifying a product of radical expressions: Multivariate

The combining of like factors from two radicals into one and then the simplification of the result.

From  Tom Grant 9 plays 0

#### Simplifying a product of radical expressions: Univariate

A short demonstration of multiplying and then reducing the result when presented with the product of two radical expressions.

From  Tom Grant 8 plays 0

#### Introduction to simplifying a product of radical expressions: Univariate

Just a quick couple of examples, one explaining the relationship between squaring and square rooting and one that just shows how to multiply two radical expressions that need no reduction.

From  Tom Grant 8 plays 0

#### Solving a rational equation that simplifies to quadratic: Proportional form, advanced

This shows how to use the LCD of the two fractions that form a proportion to simplify the equation to a quadratic equation, then solve the quadratic by factoring and check the validity of the …

From  Tom Grant 10 plays 0

#### Solving an equation of the form x^2 = a using the square root property

Discusses the square root property, then encourages the viewer to write a list of perfect squares in the marginfor reference. Lasly, three examples are presented and solved.

From  Tom Grant 7 plays 0

#### Solving rational equations that simplify to quadratic: Binomial denominators & numerators

A The key to solving this kind of equation is multiplying through by the least common denominator to eliminate the fractions first, Then it is a matter of combining like terms on one side of the…

From  Tom Grant 55 plays 0

Two examples are shown here, one relatively easy, then one with some fractions involved.

From  Tom Grant 4 plays 0

Demonstrates how to solve for a variable under the radical that needs to isolated first after entering the given value for the other variable in a formula.

From  Tom Grant 6 plays 0

Describes how to approach solving a radical eqaution, then demonstrates the stepss needed. It finishes with a check of the answers, stressing that this is an essential step.

From  Tom Grant 13 plays 0

#### Introduction to compound interest

A short discussion of how compunde interest works and why the amount in a compound interest account grows more and more quickly.

From  Tom Grant 6 plays 0

#### Solving a word problem using a quadratic equation with irrational roots

Shows how to substitite the given value for the output variable, then rearranges the resulting equation in standard form. Values for a, b, and c are identified and then entered into the quadratic…

From  Tom Grant 30 plays 0

#### Graphing a parabola of the form y =- ax^2 + bs + c: Integer coefficients

Shows how to ofirst find the coordinates of the vertex, then choose other inputs to find two more points on each side of the vertex, plott them and draw the graph.

From  Tom Grant 5 plays 0

#### Graphing a parabola ofthe form y = ax^2 or y = ax^2 + c

Shows how to shoose appropriatate input values to find five points, then plot them and draw the graph.

From  Tom Grant 6 plays 0