# Search for tag: "middle"

#### 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

#### Adding rational expressions involving different quadratic denominators

Adding ratioinal expressions with quadratic denominators requires factoring each denominator so that the LCD can be determined. Then each fraction is exapanded by multiplying the tops and the…

From  Tom Grant 6 plays 0

#### Understanding the product rule of exponents

A quick intro to how and why the product rule for exponents works.

From  Tom Grant 9 plays 0

#### Union and intersection of intervals

A demonstration of how to deal with interpreting the union and intersection of two inequalities. For a more extensive and exhaustive demo, please view the videos entitled "Understanding…

From  Tom Grant 15 plays 0

#### Finding the vertex, intercepts, and axis of symmetry from a graph of a parabola

This gives a graph of a parabola which is the graph of a quadratic equation or function. The demonstration first includes classifying it as a parabola that is opening downward or upward. Then it…

From  Tom Grant 14 plays 0

#### Multiplying conjugate binomials: Univariate

Demonstrates what happens when the F.O.I.L. method is applied to multiply two binomails of the form (a + b) (a - b). It's special circumstance that allows a short cut.

From  Tom Grant 32 plays 0

#### Graphing a parabola of the form y=ax^2

Demonstrates how to make t his graph per instructions, and also shows how to deal with a fractional leading coefficient.

From  Tom Grant 13 plays 0

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

How to graph these special parabolas

From  Tom Grant 18 plays 0

#### Using the Distance Formula

Explains where the distance formula originates, and then gives an example of its use in finding the distance between two points.

From  Tom Grant 603 plays 0

#### Solving a Formula for a Specified Variable, Part 2

A second example of how to solve a formula for one of its variables.

From  Tom Grant 784 plays 0