Search for tag: "situation"

Adding rational expressions with common denominators and binomial numerators

This demonstrates adding two rational expressions that have different terms individually in the numerator and a common denominator. When the fractions are added, it creates the possibility of adding…

From  Tom Grant 9 plays 0  

Solving a system of linear equations using elimination with addition

This talks about why we need two equations to solve for two unknown values, and then demonstrates how to add two equations together to eliminate one varaible and solve for the other one, then find…

From  Tom Grant 12 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 20 plays 0  

Special products of radical expressions: Conjugates and squaring

A demonstration of squaring a binomial with radical terms and then a second example showing how conjugate binomials can be multiplied.

From  Tom Grant 12 plays 0  

Factoring a linear binomial

Shows how to factor the greatest common factor from a simple linear binomial

From  Tom Grant 31 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  

Power rules with negative exponents

A short example of how to deal with a fraction raised to a negative power.

From  Tom Grant 26 plays 0  

Interpreting the parameters of a linear function that models a real-world situation

Describes what the values in a linear relationship mean in a real situation.

From  Tom Grant 7 plays 0  

Writing equations of lines parallel and perpendicular to a given line through a point

Need the videos for finding tej slopes of parallel and perpendicular lines before viewing this one. This shows how to get the infromation needed for fulling in the point-slope form. You can leave…

From  Tom Grant 38 plays 0  

Rationalizing Denominators of Radical Expressions, Part 1

A demonstration that shows how to get a square root out of the denominator of a fraction.

From  Tom Grant 886 plays 0