Algebra Tutorials!  
Friday 19th of July
Rotating a Parabola
Multiplying Fractions
Finding Factors
Miscellaneous Equations
Mixed Numbers and Improper Fractions
Systems of Equations in Two Variables
Literal Numbers
Adding and Subtracting Polynomials
Subtracting Integers
Simplifying Complex Fractions
Decimals and Fractions
Multiplying Integers
Logarithmic Functions
Multiplying Monomials
The Square of a Binomial
Factoring Trinomials
The Pythagorean Theorem
Solving Radical Equations in One Variable
Multiplying Binomials Using the FOIL Method
Imaginary Numbers
Solving Quadratic Equations Using the Quadratic Formula
Solving Quadratic Equations
Order of Operations
Dividing Complex Numbers
The Appearance of a Polynomial Equation
Standard Form of a Line
Positive Integral Divisors
Dividing Fractions
Solving Linear Systems of Equations by Elimination
Multiplying and Dividing Square Roots
Functions and Graphs
Dividing Polynomials
Solving Rational Equations
Use of Parentheses or Brackets (The Distributive Law)
Multiplying and Dividing by Monomials
Solving Quadratic Equations by Graphing
Multiplying Decimals
Use of Parentheses or Brackets (The Distributive Law)
Simplifying Complex Fractions 1
Adding Fractions
Simplifying Complex Fractions
Solutions to Linear Equations in Two Variables
Quadratic Expressions Completing Squares
Dividing Radical Expressions
Rise and Run
Graphing Exponential Functions
Multiplying by a Monomial
The Cartesian Coordinate System
Writing the Terms of a Polynomial in Descending Order
Quadratic Expressions
Solving Inequalities
Solving Rational Inequalities with a Sign Graph
Solving Linear Equations
Solving an Equation with Two Radical Terms
Simplifying Rational Expressions
Intercepts of a Line
Completing the Square
Order of Operations
Factoring Trinomials
Solving Linear Equations
Solving Multi-Step Inequalities
Solving Quadratic Equations Graphically and Algebraically
Collecting Like Terms
Solving Equations with Radicals and Exponents
Percent of Change
Powers of ten (Scientific Notation)
Comparing Integers on a Number Line
Solving Systems of Equations Using Substitution
Factoring Out the Greatest Common Factor
Families of Functions
Monomial Factors
Multiplying and Dividing Complex Numbers
Properties of Exponents
Multiplying Square Roots
Adding or Subtracting Rational Expressions with Different Denominators
Expressions with Variables as Exponents
The Quadratic Formula
Writing a Quadratic with Given Solutions
Simplifying Square Roots
Adding and Subtracting Square Roots
Adding and Subtracting Rational Expressions
Combining Like Radical Terms
Solving Systems of Equations Using Substitution
Dividing Polynomials
Graphing Functions
Product of a Sum and a Difference
Solving First Degree Inequalities
Solving Equations with Radicals and Exponents
Roots and Powers
Multiplying Numbers
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  • A term is a number, a variable, or a product of numbers and variables.
  • A monomial is a term in which the variables are only raised to whole number powers.
  • A polynomial is a monomial or sum of monomials.
  • A monomial is a polynomial with only one term.
  • A binomial is a polynomial with exactly two terms.
  • A trinomial is a polynomial with exactly three terms.
  • Polynomials don’t, in the usual sense, have size (in the way that numbers do, that is). Sometimes, however, it’s necessary to compare the relative “sizes” of two polynomials anyway. To do that, we use the concept of degree.
  • The degree of a term with just one variable is the power to which the variable gets raised. (This is 0 if there is no variable.)
  • The degree of a polynomial is the largest degree of any of its terms.
  • It is common two write polynomials in decending powers of the variable, or descending order. This leads to two more pieces of vocabulary.
  • The leading term of a polynomial is the term with the highest degree.
  • The leading coefficient is the coefficient of the leading term.
  • Simplifying a polynomial requires that you combine all like terms.
  • For polynomials with only one variable, “like terms” means that the power of the variable is the same. For example, 3x 5 and -2x 5 are like terms, but 2a 4 and 2a 2 are NOT.
  • You CANNOT combine terms that are not “like”. For example, there is no way to add x 3 and x 2. ( x 3 + x 2 x 5 = x 2 x 3 ).
  • Keep in mind that the variable in a polynomial represents a number. Every time a variable appears, it represents the SAME number. For example, if x = 2, then the polynomial x 3 - 5x 2 + x - 5 is the same as 2 3 - 5(2 2) + 2 - 5 = 8 - 20 + 2 - 5 = -15.
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