Instructional Video5:06
Curated Video

Finding Zeros of Quadratic Functions by Factoring

K - 5th
In this video, the teacher explains how to find zeros of quadratic functions without looking at their graphs. The concept is introduced by using the Zero Product Property, which states that if the product of two numbers is zero, then at...
Instructional Video7:13
Let's Tute

Problem Solving of Pair of Linear Equations based on Substitution Method

9th - Higher Ed
In this online video tutorials Pair Linear Equations problem solving with cross multiplication method
Instructional Video7:50
msvgo

Solving a System of Linear Equations

K - 12th
It explains how to use matrices to solve a system of equations in two and three variables and find out whether the system is consistent or not.
Instructional Video4:20
Curated Video

Finding X Intercepts of Linear Functions by Factoring

K - 5th
In this video, the teacher explains how to find the X-intercepts or zeros of linear functions by factoring. They demonstrate the process with several examples and emphasize the importance of setting the function equal to zero and solving...
Instructional Video4:18
Brian McLogan

How do we represent adding vectors graphically and algebraically

12th - Higher Ed
Learn the basics of vector operations. Vectors can be added, subtracted and multiplied. To add or subtract two or more vectors, we add each of the corresponding components of the vectors. To multiply a scalar to a vector, we simply...
Instructional Video5:01
Curated Video

Estimating Systems of Equations by Graphing

K - 5th
In this lesson, we will learn how to estimate systems of equations by graphing when one equation is in slope intercept form and the other equation is in standard form. We will review the different forms of linear equations and how to...
News Clip3:08
Curated Video

Senators debate impeachment and war powers

Higher Ed
US Senators continue to debate the killing of a top Iranian general and the impeachment of President Donald Trump.
News Clip5:33
Bloomberg

Pimco's Crescenzi Says Yield Curve Has Become Front Page News

Higher Ed
Aug.16 -- Tony Crescenzi, market strategist and portfolio manager at Pimco, talks about the yield curve and volatility in the markets. He speaks on "Bloomberg Surveillance."
News Clip3:08
Curated Video

Senators debate impeachment and war powers

Higher Ed
US Senators continue to debate the killing of a top Iranian general and the impeachment of President Donald Trump.
Instructional Video3:36
Curated Video

Hong Kong students visit Taiwan ahead of elections

Higher Ed
Several dozen students from Hong Kong visited Taipei this week to learn more about democracy in Taiwan ahead of the presidential election on January 11.
Instructional Video
Khan Academy

Khan Academy: Quadratic Systems: Graphical Solution

9th - 10th Standards
Sal solves a system of a quadratic equation and a linear equation by graphing both equations and looking for their intersections, and then checks the solution algebraically. [5:44]