Why U
Algebra 63 - Gauss-Jordan Elimination with Curve Fitting
This lecture examines a useful mathematical application that can be solved by using a system of linear equations with four or more variables - finding a polynomial function whose graph passes through a given set of data points. We see...
Why U
Pre-Algebra 20 - Converting Repeating Decimal Numbers to Fractions
Decimal numbers with an infinitely repeating sequence of digits after the decimal point can be converted into fractions. This chapter explains why.
Brian McLogan
Graphing and evaluating piecewise functions
👉 Learn how to graph piecewise functions. A piecewise function is a function which have more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Brian McLogan
Solving an equation with tangent with no restrictions
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Solve a System of three variables when given one variable
👉Learn how to solve a system of three linear systems. A system of equations is a set of equations which are to be solved simultaneously. A linear equation is an equation whose graph is a straight line. The solution to a system of...
Brian McLogan
Learn to solve a system of equations with no solution by substitution
👉Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Brian McLogan
How to solve a system of equations using the addition method, 2w+5y= -24; 3w-5y=14
👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Brian McLogan
Graphing a horizontal line by using a table of values
👉 Learn how to graph linear equations with one variable. When given a linear equation with one variable in the form x = a or y = c, the two forms of linear equations results in a vertical and horizontal lines respectively. The graph of...
Brian McLogan
Solving Exponential equations
👉 Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x is a special type of exponential...
Brian McLogan
Graphing the system of linear equations with one solution
👉To solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...
FuseSchool
Changing The Subject Of A Formula
Changing The Subject Of A Formula | Algebra | Maths | FuseSchool In this video we look at how to change the subject of a formula. This is a very useful algebraic skill. It means we can rearrange a formula so that a different variable...
Brian McLogan
Creating same base with negative exponents to solve an equation
👉 Learn how to solve exponential equations involving fractions. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we make the base of both sides of the equation to be...
Brian McLogan
Solve a system of linear equations using substitution
👉Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Brian McLogan
Writing an equation using point slope form given a point and slope
👉 Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Brian McLogan
Using point slope form find the equation of a line given the slope and a point
👉 Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Let's Tute
Reducing Equations to Linear Equations
In this session on pair of linear equations, we learned how to solve equations that are not linear by reducing them to linear equations. We demonstrated this by converting two equations with variables in the denominator into linear...
Let's Tute
Solving Linear Equations Using Cross-Multiplication Method
The video is a problem-solving session for a pair of linear equations using the cross multiplication method. The teacher explains the steps involved in solving the equations and demonstrates how to substitute values into the formula. The...
Brian McLogan
Solving a one step equation by applying the multiplication property of equality
👉 Learn how to solve one step linear equations. By one step we mean equations that take one step to solve. The one step is the inverse operation needed to isolate the variable such as addition, subtraction, division and multiplication...
Curated Video
Finding Solutions to Systems of Equations
In this video, the teacher explains how to find the solution to a system of equations by looking at their intersection on a graph. They demonstrate this concept using two different examples and show how to set the expressions equal to...
Curated Video
Solving Systems of Linear Equations Using Tables
In this video, the teacher explains how to solve a system of linear equations using a table. They use the example of creating different polygons using a specific number of magnetic bars.
Flipping Physics
Tangential Acceleration Introduction with Example Problem - Mints on a Turntable
Tangential Acceleration is introduced and visualized. Example problem is worked through. We even relate arc length, tangential velocity, and tangential acceleration via the derivative! Example: A record player is plugged in and uniformly...
Brian McLogan
Using Multipliers to Solve a System of Equations Using Elimination
👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Brian McLogan
How to graph a system of linear inequalities in slope intercept form
👉 Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...