Search for tag: "foil"

Finding the LCD of rational expressions with quadratic denominators

Each denominator is factored and then any common factor is used only once and all other unique factors complete the LCD

From  Tom Grant 5 plays 0  

Finding the x-intercepts, the y-intercept, and the vertex of a parabola

This demonstrates how to find these values for a quadratic equation of the form y = ax^2 + bx + c.

From  Tom Grant 17 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 15 plays 0  

Factoring a perfect square trinomial with leading coefficient 1

One of the simpler factoring techniques if you know what you are looking for.

From  Tom Grant 14 plays 0