Algebra help
About functions.
Exponents with numbers as the base. There are 3 consecutive videos. Navigate to the next by clicking just above the picture on the right.
Exponents with variables as the base. There are 3 consecutive videos showing how to simplify expressions with exponents.
Rational expressions:
Multiplying using canceling.
Simplifying rational expressions.
Polynomials:
Adding and subtracting. Three videos.
Multiplying. FOIL.
Multiplying within a word problem.
Multiplying a binomial by a trinomial (word problem).
Product of two squares.
Difference of two squares.
Factoring:
Quadratic trinomials:
A written explanation covering many different kinds so click through until you see what you need.
Quadratic Functions:
Domain and Range
Overview of graphing, finding zeros, vertex, axis of symmetry
Completing the square
Discriminant and number of solutions for a quadratic function
Using the Quadratic Formula
Linear Equations:
Graphing lines using x and y chart.
Slope. A slideshare presentation. Includes parallel and perpendicular lines at end.
Slope. A video.
Slope and y-intercept: what are they?
Using intercepts to graph line.
Finding the equation of a line. 3-4 videos
Absolute value equations. Three videos
Linear Inequalities:
Multi-step inequalities.
Compound inequalities.
Absolute value inequalities.
Systems of Linear Equations:
Graphing. Three videos
Solving using substitution. Two videos.
Solving using elimination without multiplication (except -1)
Solving using elimination with multiplication
Solving using elimination with multiplication-another good example
Exponents with numbers as the base. There are 3 consecutive videos. Navigate to the next by clicking just above the picture on the right.
Exponents with variables as the base. There are 3 consecutive videos showing how to simplify expressions with exponents.
Rational expressions:
Multiplying using canceling.
Simplifying rational expressions.
Polynomials:
Adding and subtracting. Three videos.
Multiplying. FOIL.
Multiplying within a word problem.
Multiplying a binomial by a trinomial (word problem).
Product of two squares.
Difference of two squares.
Factoring:
Quadratic trinomials:
A written explanation covering many different kinds so click through until you see what you need.
Quadratic Functions:
Domain and Range
Overview of graphing, finding zeros, vertex, axis of symmetry
Completing the square
Discriminant and number of solutions for a quadratic function
Using the Quadratic Formula
Linear Equations:
Graphing lines using x and y chart.
Slope. A slideshare presentation. Includes parallel and perpendicular lines at end.
Slope. A video.
Slope and y-intercept: what are they?
Using intercepts to graph line.
Finding the equation of a line. 3-4 videos
Absolute value equations. Three videos
Linear Inequalities:
Multi-step inequalities.
Compound inequalities.
Absolute value inequalities.
Systems of Linear Equations:
Graphing. Three videos
Solving using substitution. Two videos.
Solving using elimination without multiplication (except -1)
Solving using elimination with multiplication
Solving using elimination with multiplication-another good example