Mathispower4u
Regression and Systems of Equations
Regressively calculate the bottle usage. Using data about the amount of bottled water and soft drinks consumed an educational video shows pupils how to determine the equation of a linear regression line. After calculating regression...
Mathispower4u
Solve a System of Equations by Graphing (Example 2)
The solution should satisfy each equation. Pupils view a helpful video showing an example of finding the solution to a system of linear equations by graphing. The presenter graphs the two lines to find the point of intersection and then...
Mathispower4u
Solve a Linear System of Equations by Graphing (Horizontal and Vertical Lines) - Example
Solve a pretty straightforward system. Pupils view an educational video showing how to solve a system of linear equations by graphing. The system consists of a horizontal line and a vertical line, making the solution apparent in the...
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Identify the Solution to a System of Equation Given a Graph, Then Verify (Example)
Is the solution really the solution? Given a graph of a linear system, an informative video shows learners how to determine the solution as the point of intersection. The presenter verifies the solution as a solution to the system by...
Mathispower4u
Solve a System of 2 Equations with 2 Unknowns by Graphing on the TI84 (Example)
Let the technology do the graphing. Learners watch a helpful algebra video that shows how to use a graphing calculator to solve a system of linear equations. The presentation works through one example using a TI-84 to solve a system and...
Mathispower4u
Determine Solutions to Systems of Linear Equations Graphically (Example)
Picture the solution. The Mathispower4u Algebra I video uses three examples of finding the solution of a system of linear equations given as a graph. Pupils use their knowledge of linear graphs to also identify the equations for the...
Mathispower4u
Solve One Step Equations with Fractions
Fractions do not cause a different process. Pupils watch as the narrator solves five one-step equations that contain fractions. The scholars see that the process is the same, though they need to use fraction arithmetic to arrive at a...
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Solving Equations Using the Story of x (Part 2)
The story continues with more complex equations. Learners see that using the story method works even with multi-step equations. Pupils learn the process of undoing a description of a multi-step expression to solve an equation containing...
Flipped Math
Graphing Functions to Solve Equations
Intersections become solutions. Scholars watch a video on using a graphing calculator to find the solution to an equation in one variable. While watching the presentation, pupils practice working some of the examples and compare their...
Flipped Math
Exponential Decay
The values keep getting smaller—quickly! Pupils watch a video that contrasts exponential decay with exponential growth from the first lesson in the unit. Learners identify exponential functions that are decaying and create graphs of...
Mathispower4u
Solving Equations Using the Story of x (Part 1)
Tell the story of solving an equation. With words and symbols, viewers learn to describe what is happening in an equation. Using that description, pupils reverse the story to arrive at the value of x that makes the equation true.
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Solve a One Step Equation With Decimals by Adding and Subtracting (Example)
Apply decimal operations to solving equations. Learners first observe two examples of one-step linear equations being solved. They then watch as each equation is solved by either adding or subtracting decimals using strategies they...
Mathispower4u
Solve a One Step Equation by Multiplying by Reciprocal (a/b)x=-c/d (Example)
There is more than one way to solve an equation. Scholars watch as the presenter solves a one-step equation with fraction multiplication two different ways. Viewers see how to use a reciprocal to solve the equation and also how to clear...
Mathispower4u
Solving One Step Equations Involving Decimals
Reviewing material and learning new concepts can exist together. Learners watch as the video shows how to solve four equations containing decimals. Each one-step equation involves a different operation. Because each equation's solution...
Mathispower4u
Solving One Step Equations Using Addition and Subtraction (Decimals)
Deal with an equation that is not all whole. Pupils watch as the short video shows solving two one-step equations containing decimals. One equation involves addition and the other subtraction. As with whole numbers, the decimal equations...
Mathispower4u
Graph a Piecewise Defined Function (Example 1)
Determine what the pieces look like together. The Mathispower4u video for Algebra 1 provides a simple example of graphing a piecewise function. The function is made up of three segments that consist of constant functions. Pupils see...
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Graph a Piecewise Defined Function (Example 3)
This time, try graphing three segments. Another Mathispower4u Algebra I Video provides an additional example on graphing a piecewise function. Pupils observe how to graph a function that is made from two constant functions and one linear...
Mathispower4u
Graph a Piecewise Defined Function (Example 2)
Take two linear pieces and make a complete graph. A helpful video shows how to graph a linear piecewise function. Pupils review graphing linear functions and then see how to restrict their domains based on the defining domains for the...
Mathispower4u
Determine Function Values for a Piecewise Defined Function (Example)
Determine the equation to use in evaluating a piecewise function. Learners watch a video on evaluating a piecewise function. They confirm the equation to use based on the domain and then use substitution to find the value of the function...
Mathispower4u
Graphing Piecewise Defined Functions
Only choose the pieces needed. Pupils learn a way to graph piecewise functions by graphing the entire function and then only keeping the section of the graph that belongs to the piecewise function. The Mathispower4u video shows...
Mathispower4u
Interpreting and Graphing Piecewise Functions
Learn how to graph a function that is in pieces. The Mathispower4u Algebra I Video interprets the graph of a piecewise function that represents a cellphone plan. Pupils use the graph to determine the cost for a given number of units...
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Determine a Basic Piecewise Defined Function
Not all functions have the same equation throughout. Learners see a word problem that requires more than one equation to model the situation. The video from the Mathispower4u Algebra 1 series introduces the concept of piecewise defined...
Mathispower4u
Determine Symmetry about the x-axis, y-axis, and the Origin (Example)
Symmetry shows up in equality. Pupils view four examples as the presenter determines whether the equations have symmetry about the x-axis, the y-axis, and the origin. Each equation has at least one type of symmetry. The video works...
Mathispower4u
Symmetry Introduction: x-axis, y-axis, the Origin
You can flip them and the graph looks the same. An instructional video shows how to determine whether an equation contains a graph that has symmetry. Scholars learn how to calculate algebraically whether an equation has symmetry about...