03:43 duration 3 minutes 43 seconds
Finding the LCD of rational expressions with…
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
07:36 duration 7 minutes 36 seconds
Finding the x-intercepts, the y-intercept, and…
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.
03:17 duration 3 minutes 17 seconds
Special products of radical expressions:…
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)
01:40 duration 1 minute 40 seconds
Factoring a perfect square trinomial with leading…
Factoring a perfect square trinomial with leading coefficient 1
One of the simpler factoring techniques if you know what you are looking for.