Brian McLogan
Eliminating the parameter for parametric equations quadratic
Learn how to eliminate the parameter in a parametric equation. A parametric equation is a set of equations that express a set of quantities as explicit functions of a number of independent variables, known as parameters. Eliminating the...
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...
Brian McLogan
How to set up trig word problems | 26 Examples
In this video I show you how to set up an equation and picture from a word problem. Most of the time students have trouble with word problems because they do not know what to look for or how to solve. So I work through 28 different...
Brian McLogan
Learn how to eliminate the parameter given sine and cosine of t
Learn how to eliminate the parameter in a parametric equation. A parametric equation is a set of equations that express a set of quantities as explicit functions of a number of independent variables, known as parameters. Eliminating the...
Brian McLogan
Find the equation of an ellipse by eliminating the parameter of parametric equations
Find the equation of an ellipse by eliminating the parameter of parametric equations
Brian McLogan
Eliminate the parameter and describe the graph
Eliminate the parameter and describe the graph
Brian McLogan
How to eliminate the parameter and obtain an ellipse
I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips. I believe everyone can learn math...
Brian McLogan
What is a point a line and a plane
👉 Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A...
Khan Academy
Parametric Equations 4, Parametric Equations and Polar Coordinates, Precalculus
In a follow-up to the problem presented in the last video, Sal considers whether other parametric equations move along the same path as the last equations. He shows that taking a multiple of time changes the speed of the position along...
Khan Academy
Parametric Equations 3, Parametric Equations and Polar Coordinates, Precalculus
Following his intuitive manner, Sal considers another set of parametric equations. This time, he looks at two equations using trigonometric functions and, using one of the basic trigonometric identities, removes the parameter from the...
Khan Academy
Parametric Equations 2, Parametric Equations and Polar Coordinates, Precalculus
In this well-presented video, Sal continues with the example of the car driving off the cliff and discusses how the time (t) should be bound based on the context of the problem. He then shows how to rewrite the set of parametric...
Khan Academy
Parametric Equations 1, Parametric Equations and Polar Coordinates, Precalculus
As an introduction to parametric equations, Sal solves the problem of finding the path of a car that drives off a 50-meter-high cliff while traveling five meters per second. He uses a pair of equations: x(t) = 10 + 5t and y(t) = 50 Ð...
Khan Academy
Khan Academy: Calculus: 2011 Calculus Bc Free Response #1A
Video shows how to find the velocity and acceleration vectors of a particle at a given time by using the derivatives of the parametric equations representing the particle. Also shows how to find the magnitude of the velocity vector in...
Math TV
Math tv.com: Trigonometry: Parametric Equations and Further Graphing
The video explores parametric equations. The tutorial investigates two examples with detailed steps on how to solve parametric equations. A worksheet with practice problems and solutions is included. In the left hand menu, click on...
Khan Academy
Khan Academy: Pre Calculus: Parametric Equations 4
The final video in a series on parametric equations from the Khan Academy. This video continues with the same two parametric equations presented in previous video. However, this segment shows how a different set of parametric equations...
Khan Academy
Khan Academy: Parametric Equations: Parametric Equations 4
This video shows how a different set of parametric equations can be converted into the very same Cartesian equation. The point is emphasized once again that parametric equations provide different, and often more useful, information than...
Khan Academy
Khan Academy: Parametric Equations: Parametric Equations 2
This video shows how to convert from two parametric equations to one Cartesian equation.
Khan Academy
Khan Academy: Pre Calculus: Parametric Equations 1
A video illustrating an example of how parametric equations can be useful, particularly in problems dealing with motion. The example takes a car that is driving off a cliff and defines its motion as a parametric curve. The purpose of the...
Khan Academy
Khan Academy: Parametric Equations: Parametric Equations 1
Introduction to parametric equations. This video illustrates an example of how parametric equations can be useful, particularly in problems dealing with motion.
Khan Academy
Khan Academy: Pre Calculus: Parametric Equations 3
A continuation of the Khan Academy's series of videos on parametric equations. Presents two parametric equations and then uses trig identities to convert them into one Cartesian equation which happens to be an ellipse. By choosing and...
Khan Academy
Khan Academy: Pre Calculus: Parametric Equations 2
This video follows from Parametric Equations 1 and extends the example given in that first video. This segment now shows how to convert from two parametric equations that are defined in terms of t to one Cartesian equation where y is...