Gabby's Math 154 Lectures
Lectures–You should be able to view these lectures just by clicking on the link. The shockwave file should automatically open up in your internet browser. If you are having trouble with the volume (can't hear me talking!), try opening up the file in a different browswer (Internet Explorer, Firefox, etc...) If any links don't work, send me an email.
Linear Equations
- Solving a linear equation that contains fractions.
- Graph a linear equation using intercepts.
- What is “slope”?
- Graphing linear equations using the slope and y-intercept.
- Graphing Vertical and Horizontal Lines
- Given the graph of a line, find the equation of the line
- Find the linear equation in slope-intercept form when you are given the slope and a point.Used the point-slope form of equation to do this.
- Find the linear equation when you are given two points.Used the point-slope form of equation to do this.
Systems of Equations
- Solving Systems by Graphing
- Solving Systems using the Substitution Method
- Solving Systems using the Addition/Elimination Method
- Applications of Systems
Polynomials
- Dividing a poly by a binomial.
- What is factoring?
- Factor by grouping
- Factor a poly of the form x^2 + bx + c
- Factor a poly of the form ax^2 + bx + c Part 1
- Factor a poly of the form ax^2 + bx + c Part 2
- Factor a poly of the form ax^2 + bx + c Part 3
- Factoring polynomials completely (left with a poly of the form ax^2 + bx + c)
- What is a perfect square?
- Factoring a difference of squares
- Factoring a perfect square trinomial
- General Strategy for Factoring Polys - Handout
- General Strategy for Factoring Polys
- Solving Quadratic Equations by Factoring
- Applications of Polys
