standard notation 38 videos

Ratios and unites
PreAlgebra Fractions and MIxed Numbers
Definitions and notation of ratios, and when we use them

The Quadratic Formula
Algebra Quadratic Equations and Functions
How to use the quadratic formula to solve quadratic equations.
quadratic equation quadratic formula coefficient standard form 
Graphing Lines using Intercepts
Algebra Linear Equations and Their Graphs
How to graph a line using the x and y intercepts.
x intercept y intercept standard form 
Graphing a Rational Expression
Algebra 2 Rational Expressions and Functions
How to graph a basic rational equation.
functions function notation difference quotient expanding binomials 
Deriving the Quadratic Formula
Algebra 2 Quadratic Equations and Inequalities
How to derive the quadratic formula by completing the square.
functions domain parent functions inequalities interval notation 
Finding the Domain of a Function
Precalculus Introduction to Functions
How to find the domain of a function when it has rational or radical expressions.
functions domain parent functions inequalities interval notation 
Electron Configuration
Chemistry The Atom
How to express the electronic structure of atoms using electron configuration notation.
electron configuration 
Evaluating Sine and Cosine at Special Acute Angles
Trigonometry Trigonometric Functions
How do we measure sine and cosine of pi/4?
sine cosine unit circle definitions of sine and cosine angles in standard position 
Evaluating Sine and Cosine at Special Acute Angles
Precalculus Trigonometric Functions
How do we measure sine and cosine of pi/4?
sine cosine unit circle definitions of sine and cosine angles in standard position 
Computing Difference Quotients
Precalculus Equations of Lines, Parabolas and Circles
How to compute and simplify the difference quotient of a linear function.
functions function notation slope secant line difference quotient 
Computing Difference Quotients
Precalculus Introduction to Functions
How to compute and simplify the difference quotient of a linear function.
functions function notation slope secant line difference quotient 
Polynomial Vocabulary
Algebra Polynomials
How to understand the vocabulary of polynomials.
monomial binomial trinomial polynomial degree standard form of a polynomial term leading coefficient 
The Definitions of Sine and Cosine
Trigonometry Trigonometric Functions
How we define sine and cosine for all angle measures using the unit circle.
sine cosine right triangle definitions of sine and cosine angles in standard position unit circle definitions of sine and cosine 
Evaluating Sine and Cosine at Other Special Angles
Trigonometry Trigonometric Functions
How to measure the sine and cosine of 150.
sine cosine unit circle definitions of sine and cosine angles in standard position reference angles 
The Definitions of Sine and Cosine
Precalculus Trigonometric Functions
How we define sine and cosine for all angle measures using the unit circle.
sine cosine right triangle definitions of sine and cosine angles in standard position unit circle definitions of sine and cosine 
Evaluating Sine and Cosine at Other Special Angles
Precalculus Trigonometric Functions
How to measure the sine and cosine of 150.
sine cosine unit circle definitions of sine and cosine angles in standard position reference angles 
Choosing Courses for Sophomore Year
College counseling How to get better grades
A video that shows you how to choose classes your sophomore year in high school. A college admissions counselor explains how to plan wisely and why you should also start thinking about standardized tests.
college application applying to college college counseling high school counseling sophomore 
ACT vs. SAT
College counseling Test Prep
A video that shows you how to decide which standardized test is best for you: the SAT or the ACT. Our college admissions counselor explains which strengths and weaknesses work well with each test.
college application applying to college college counseling high school counseling SAT ACT