Curated Video
Graphing Quadratic Equations: Finding the Vertex and Maximum Height
In this video, the teacher explains how to graph a quadratic equation by identifying the vertex and another point on the parabola. They also demonstrate how to use the quadratic formula to find the zeros and the vertex of the equation.
Curated Video
Writing and Graphing Quadratic Equations from Tables
In this video, we learn how to write and graph a quadratic function by examining a table that represents a quadratic relationship. The video explains the standard form and vertex form of a quadratic function, and demonstrates how to...
Curated Video
Comparing Strategies to Solve Quadratic Equations
In this video, the teacher discusses different methods to solve quadratic equations, including factoring, graphing, and using the quadratic formula. The teacher explains the pros and cons of each method and demonstrates how to determine...
Curated Video
Writing Quadratic Equations from Patterns in Tables
In this video, you will learn how to write quadratic equations by finding patterns in a table of data. The video covers topics such as linear equations, slope-intercept form, elimination method, and the general form of a quadratic function.
Curated Video
Analyzing Solutions: Linear and Quadratic Systems on Graphs
In this lesson, students will learn about linear and quadratic systems of equations by inspecting graphs. They will understand that a system of equations is a set of two or more equations with the same set of unknown values.
Curated Video
Solving Fraction Problems with Rational Equations
This video is a lesson on solving fraction problems by writing and solving rational equations. It covers topics such as equivalent rational expressions, factoring quadratic equations, and checking for extraneous solutions.
Curated Video
Solving Quadratic Equations with Complex Solutions Using the Quadratic Formula
In this video, the teacher explains how to solve quadratic equations with complex solutions using the quadratic formula. They discuss the importance of using the order of operations when squaring a number and demonstrate how to...
Curated Video
Graphing Quadratic Equations: Zeros and Vertex Method
In this video, the teacher explains how to graph quadratic equations using the zeros and the vertex. They provide step-by-step instructions on factoring the equation to find the zeros, finding the axis of symmetry, and determining the...
Why U
Algebra 69 - Quadratic Equations
The graph of a quadratic function in a single variable is a parabola. Setting that function equal to zero creates a quadratic equation, and the solutions to that equation are the "zeros" or "roots" of the function. In quadratic functions...
Curated Video
Solving Quadratic Equations by Inspection
In this lesson, students will learn how to solve quadratic equations by inspection. They will review the concept of perfect squares and understand that both positive and negative numbers can be multiplied to obtain a perfect square.
Why U
Algebra 79 - Adding and Subtracting Complex Numbers
Addition and subtraction of complex numbers can be done arithmetically by adding or subtracting their real parts and separately adding or subtracting their imaginary parts. These operations of complex addition and subtraction can be...
Massachusetts Institute of Technology
Mit: Blossoms: The Quadratic Equation: It's Hip to Be Squared
An interactive video lesson where students learn to manipulate quadratic equations.
Sophia Learning
Sophia: Factoring Quadratic Equations When a Not Equal to 1: Lesson 2
This lesson will review how to factor and solve a quadratic equation when a not equal to 1. It is 2 of 5 in the series titled "Factoring Quadratic Equations when a not equal to 1."
Khan Academy
Khan Academy: Algebra Ii: Equation for Parabola From Focus and Directrix
The equation of a parabola is derived from the focus and directrix, and then the general formula is used to solve an example. [9:47]
Sophia Learning
Sophia: Factoring Quadratic Equations When a Not Equal to 1: Lesson 1
This lesson will review how to factor and solve a quadratic equation when a not equal to 1. It is 1 of 5 in the series titled "Factoring Quadratic Equations when a not equal to 1."
Virtual Nerd
Virtual Nerd: What Is a Parabola?
If you graph a quadratic function, you get something called a parabola. View this tutorial to learn about parabolas. [4:14]
Virtual Nerd
Virtual Nerd: What Is the Axis of Symmetry of a Quadratic Function?
The vertical line through the vertex on the graph of a quadratic function is known as the axis of symmetry. Watch this tutorial to learn about it. [2:13]
Khan Academy
Khan Academy: The Quadratic Formula: Using the Quadratic Formula
Demonstrates how to solve a quadratic equation using the quadratic formula.
Khan Academy
Khan Academy: The Quadratic Formula: Example 1: Using the Quadratic Formula
Demonstrates how to use the quadratic formula to solve a quadratic equation with a negative leading coefficient.
Khan Academy
Khan Academy: The Quadratic Formula: Proof of Quadratic Formula
Demonstrates how to derive the quadratic formula from the standard form of a quadratic equation by completing the square.
Khan Academy
Khan Academy: The Quadratic Formula: Example 3: Using the Quadratic Formula
Explains how to determine the number of solutions a quadratic equation has based on the value of the discriminant.
Khan Academy
Khan Academy: Example 4: Solving a Quadratic Equation by Factoring
Applications Problem Factoring Quadratics.
Sophia Learning
Sophia: Figuring Out the Discriminant
Students learn how to determine the discriminant and use it to find the real solutions to a quadratic equation. Videos and graphs are included in the resource.