KnowMo
Factorizing Quadratics: Sum of Products, Multiple Axes, and Difference of Squares
The video explains the process of factorizing quadratics in algebra. The presenter starts by explaining the form of quadratic equations and the goal of factorizing them. They then introduce the sum of product rule and explain how to find...
FuseSchool
MATHS - Algebra - Quadratic Formula - Solving Quadratics
Quadratics can be solved in different ways: factorising, quadratic formula or by completing the square. In this video we are going to look at how to use the quadratic formula to solve quadratics. Quadratics can’t always be factorised,...
Khan Academy
More Examples of Factoring Quadratics with a Leading Coefficient of 1, Algebra II
Focusing on the intuitive nature of algebra and factoring, Sal demonstrates how to factor quadratic equations efficiently. This video would be great to show in class after a lecture on quadratics or to assign in a computer lab (or...
Khan Academy
SAT Prep: Test 5 Section 7 Part 3
The most helpful part of this video is at the very end, when Sal demonstrates how to solve a combinations problem incorrectly (after initially finding the correct answer). The trial-and-error strategy of solving multiple-choice math...
Khan Academy
SAT Prep: Test 3 Section 4 Part 2
Sal explains how helping his young cousins with their math skills inspired him to make this series of videos, so he can help a bunch of people pass the SAT. In this video, he covers exponents, quadratics, and parabolas in problems 5-9 on...
Khan Academy
SAT Prep: Test 1 Section 6 Part 1
Here, Sal begins section 6 on page 407 of The Official SAT Study Guide, focusing on problems 1-4 in this video. He clarifies that SAT questions are "tricky, but really fast" problems that shouldn't take a lot of time to solve. To prove...
Curated OER
SAT Prep: Test 3 Section 4 Part 5
The last part of problem 18 is the focus of this short video. Sal picks up where he left off, factoring the end of the linear equation, and reminding students to view his video on factoring if they are still confused.
Curated OER
Graphing Quadratic Functions - Algebra Help
This clip covers a lot of ground and is perfect for those needing a little extra help remembering how to graph a quadratic function. It begins with a multi-step problem which requires the learner to graph a quadratic function, set up a...
Khan Academy
Khan Academy: Graphing a Quadratic Function
Demonstrates how to graph a quadratic function by creating a table of values. This video also appears in the Algebra: Functions strand. [6:03]
Khan Academy
Khan Academy: Algebra: Quadratic Equations in Standard Form
Identifies the standard form of a quadratic equation and models how to put a given quadratic equation into standard form, ax^2 + bx + c = 0, and identify the values of a, b, and c. [2:21]
Khan Academy
Khan Academy: Factoring Quadratics: Example 1: Factoring by Grouping
In this video students learn about factoring trinomials with a non-1 leading coefficient by grouping.
Khan Academy
Khan Academy: Factoring Quadratics: Factoring Quadratic Expressions
Examples of factoring quadratics with a leading coefficient of 1.
Khan Academy
Khan Academy: Factoring Quadratics: Example: Basic Grouping
Factoring Trinomials by Grouping 1
Khan Academy
Khan Academy: Factoring Quadratics: Example 1: Factoring Quadratic Expressions
In this lesson students learn about factoring trinomials with a leading 1 coefficient.
Khan Academy
Khan Academy: Quadratic Odds and Ends: Ca Algebra I: Factoring Quadratics
This video demonstrates an understanding of factoring quadratic equations.
Sophia Learning
Sophia: Cubic Functions
Explore the term cubic function and assess learning with a quiz.
Sophia Learning
Sophia: Direct Variation
Explore what a direct variation is and assess learning with a quiz.
Sophia Learning
Sophia: Locating the Maximum and Minimum of a Parabola
Locate the maximum and minimum point on a quadratic function (parabola) and then take a quiz to assess learning.
Sophia Learning
Sophia: Quadratic Equations With One Solution
Use a graph to recognize when there is only one real solution of a quadratic equation. Assess learning with a quiz.
Sophia Learning
Sophia: Quadratic Functions Are Nonlinear
Quadratic functions are nonlinear functions that create parabolas when graphed.
Sophia Learning
Sophia: The Terms of a Quadratic Function
Explore the terms within a quadratic function and assess learning with a quiz.
Sophia Learning
Sophia: The Terms of a Quadratic Function
Explore the terms of a quadratic function and assess learning with a quiz.
Sophia Learning
Sophia: Quadratic Equations in the Real World
Use real world applications to set up and solve quadratic equations then take a quiz to check understanding. [18:35]
Other
How to Get the Equation of a Parabola Given Its Intercepts and a Point
This video by teacher Nathan Oldridge explains how to determine the quadratic equation of a parabola from its intercepts and a point on the graph. Video is accompanied by a running transcript. [5:54]