Curated OER
How Do You Make a Table for a Quadratic Function?
Making a table for a quadratic function is not so complicated. Here are a few tricks to make it easier. One trick is to find the axis of symmetry and another is to find the vertex. These two values can be used to pick values to plug in...
Curated OER
How Do You Determine if a Graph Represents a Linear, Exponential, or Quadratic Function?
What does the graph of a linear equation look like? How about a graph of a quadratic equation? What does a graph of an exponential function look like? Watch this video and see as the instructor illustrates and explains each of these...
Curated OER
How Do You Determine if the Vertex of a Quadratic Function Will be a Maximum or Minimum?
The form of a quadratic function can help you determine if the vertex of a quadratic equation will be a minimum or a maximum of the function. If the coefficient of 'a' in the quadratic form of the equation is positive the vertex will be...
Curated OER
How Do You Find the Vertex of a Quadratic Function?
Trying to find the vertex of a quadratic equation? Remember that the vertex is the minimum or maximum point of the quadratic equation and can be identified on a graph of the equation. First use the axis of symmetry formula to find the...
Curated OER
What is a Parabola?
What do you get when you graph a quadratic function? Not a line, that's the graph of a linear equation. The graph of a quadratic function is a curved line, either opening upward like a smile, or opening downward like a frown. The...
Curated OER
How Do You Graph a Quadratic Function?
What things need to be done to graph a quadratic function? Well, first, find the axis of symmetry, then find the vertex of the parabola, then create a table and plug in some x-values to get the resulting y-values. Now write the values as...
Curated OER
How Do You Solve a Quadratic Equation with Two Solutions by Graphing?
There are many ways to solve a quadratic equation. Let's check out how to solve a quadratic equation by graphing. But first, let's find the axis of symmetry and the vertex before making a table of values. Write the values as ordered...
Curated OER
Physics - Spherical and Parabolic Mirrors
Intended for learners with a solid understanding of algebra, physics, and scientific language, this clip describes the differences and functions of spherical and parabolic mirrors. This clip is not so much about telescopes but about...
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 Ii: Examples: Graphing and Interpreting Quadratics
Demonstrates solutions to three problems. Problems address understanding of graphs of quadratic equations and translations of graphs of quadratic equations. [11:31]
Khan Academy
Khan Academy: Algebra: Ca Algebra I: Quadratic Roots
Demonstrates solutions to problems #58-62 of California Algebra I released state test questions. Problems address an understanding of quadratic equations including identifying zeros from a graph, graphing quadratic equations, determining...
National Science Foundation
National Science Foundation: Projectile Motion & Parabolas
Students learn about the science of NFL football. The video discusses projectile motion, parabolas, and the significance of velocity on the trajectory every time an NFL punter kicks a football into the sky. [4:16]
Khan Academy
Khan Academy: Quadratic Equations: Graphing a Parabola With a Table of Values
Demonstrates how to graph a quadratic function by creating a table of values. [7:03]
Math Planet
Math Planet: Equations of Conic Sections
Video lesson takes a look at three different conic sections and their equations: parabola, circles and ellipses, and hyperbolas. [1:48]
Khan Academy
Khan Academy: Quadratic Odds and Ends/ Quadratic Roots
This video shows working with quadratic equations including identifying zeros from a graph, graphing quadratic equations, determining the number of x-intercepts and solving application problems.
Sophia Learning
Sophia: Projectile Motion Part 1: Example 5
Through a combination of a slide presentation and a video lecture, learn how to solve a projectile motion problem involving a baseball. [14:29]
Khan Academy
Khan Academy: Parabolic Arcs (Video)
You're now an expert on midpoints, so let's take the next step. I've been claiming that the curves created with the string art construction are parabolas. But how do we know that's actually true? This video [1:11] lesson will explain.
Khan Academy
Khan Academy: 4. Modeling Grass
Next let's build a blade of grass using a parabolic arc as a spine. Click here to review perpendicular lines.
Khan Academy
Khan Academy: Bonus: Completing the Proof
One way we can prove that we are calculating the actual touching point.
Khan Academy
Khan Academy: 4. How Can We Prove This?
Okay we know how to calculate the touching point, great! Next let's think about how we can prove this is true.