Why U
Algebra 88 - Adding and Subtracting Polynomial Functions
Adding polynomial functions produces another polynomial function. The values of this function are the sum of the values of the polynomials that were added for every possible value of the input variable(s). Fortunately, adding polynomial...
Why U
Algebra 87 - Graphing Polynomial Functions - Part 2
When sketching the graph of a polynomial function, it may not be necessary to calculate numerous points on the graph. Many clues as to the general shape of the graph can be derived if we understand the characteristics that the graphs of...
Why U
Algebra 86 - Graphing Polynomial Functions - Part 1
Calculators and graphing utilities are available that are capable of creating accurate graphs of polynomial functions. However, it is often desirable to sketch a quick representation of a function's graph to get a general idea of its...
Why U
Algebra 84 - Monomial Building Blocks of Polynomial Functions
A polynomial is a sum of one or more terms called monomials. If we think of each monomial as a separate function, then a polynomial function can be thought of as a sum of these monomial functions. In previous lectures we have studied...
Curated Video
Simplify Expressions
The video “Simplify Expressions” introduces algebra tiles as a helpful tool for representing and simplifying algebraic expressions.
Curated Video
Substituting Values for Variables
Evaluate algebraic expressions by substituting a value for the variable in an expression.
Curated Video
Equations with Fractions
Equations with Fractions demonstrates how to solve one-step equations by using reciprocals when the coefficient of the variable is a fraction.
Curated Video
Finding Percent of Increase
In this video, the teacher explains how to solve a real-world math problem involving percent of increase. The problem involves expanding a rectangular patio by increasing the length by 50% and the width by 20%. The teacher walks through...
Flipping Physics
You Gonna Rock It!
You are gonna rock that AP Physics Exam! Best of luck to you my friends!
Curated Video
How to Interpret a Graph
In this video, a math teacher demonstrates how to interpret a graph and answer standardized math test questions. The teacher covers topics such as finding the distance a car traveled in a certain amount of time, calculating the average...
Curated Video
How to Write the Equation of a Line
In this video, the teacher explains how to write the equation of a line using slope intercept form. They provide step-by-step instructions on how to identify the slope and Y intercept of a line using given information, such as a point...
Curated Video
How to Make an Inference from Data
In this video, the teacher guides the viewer through solving a standardized math test question that requires making an inference from data. The question involves estimating the number of people in a city who own a car based on a random...
Flipping Physics
Introduction to Conventional Current and Direct Current with an Example Problem
An introduction to Conventional Current and Direct current. Includes conventional current direction and dimensions. We even talk about the Bohr model of the atom. And, of course, an example problem where we figure out current and the...
Flipping Physics
Finding the Cost to Power Light Bulbs (Example Problem) and Defining KiloWatt Hour
Here we test the money saving advice given on a package of energy efficient light bulbs. We also define KiloWatt Hour; a term that often confuses students. Oh, we also determine the resistance of the light bulbs, ya know, just because we...
Flipping Physics
Defining Resistance, Ohmic vs. Non-Ohmic and Electric Power
An introduction to Resistance. We also define ohmic versus non-ohmic with graphs. We define the slope of the graph as resistance. There is also a discussion of a graph of Electric Potential Energy as a function of Position and we compare...
Math Fortress
Algebra II: Quadratic Equations - Factoring (Level 8 of 10)
This video continues covering the proper way to solve quadratic equations of the form ax^2+bx+c=0 by factoring. This video goes over an example where the coefficient of the quadratic term is greater than 1. The example involves an...
Why U
Algebra 51 - Three Variable Systems in the Real World - Problem 3
Algebra 49, 50 and 51 present three real-world problems which can be solved using systems of three linear equations in three variables. This chapter shows how the parameters of an equation for a circle can be determined, given three...
Why U
Algebra 60 - Parametric Equations with Gauss-Jordan Elimination
This chapter introduces the concept of “pivot columns” and shows how they can be used to determine whether a system of linear equations has a single unique solution, no solutions, or infinitely many solutions, simply by looking at the...
Tarver Academy
7-5 Using Proportional Relationships - GEOMETRY
In This Episode, Tyler Teaches Us About Using Proportional Relationships - Geometry
TMW Media
Geometric Proofs: The properties of proofs
What are the 9 properties you can apply to proofs? What else can you apply to proofs? Geometric Proofs, Part 3
Why U
Pre-Algebra 21 - Exponentiation
Exponentiation is shorthand for repeated multiplication, just like multiplication is shorthand for repeated addition. Multiplied or divided exponential terms with like bases can be combined by adding or subtracting their exponents.
Flipping Physics
Reflections on the 2015 AP Physics 1 Exam Free Response Questions
Mr.p gives basic suggestions for how to approach the free response question portion of the AP Physics 1 exam.
Flipping Physics
Nerd-A-Pult - Measuring Initial Velocity
We need to know the initial velocity of a projectile leaving the Nerd-A-Pult. That means we need the initial speed and the initial angle. This video shows exactly how I measured both.