Curated OER
How Do You Find the Zeros of a Quadratic Function on a Graph?
Find the zeros on a given graph of a quadratic equation. What does this mean? It means to find the values at which the parabola crosses the x-axis. It seems pretty straightforward to be able to look at a graph and identify the points at...
Curated OER
How Do You Graph a Quadratic Equation with No Solution?
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
What's a Polynomial?
A polynomial is the sum of one or more monomials. They are identified by the number of terms they have. Monomials, binomials, trinomials, find out what these terms identify.
Curated OER
Factoring Quadratic Polynomials
Learn how to factor the quadratic polynomial ax(squared)+bx+c, where (a) does not equal 1. This quick algebra lesson focuses on using the "bottoms up" method to factor this polynomial. The instructor uses an interactive whiteboard to...
Curated OER
How Do You Graph a Quadratic Equation in Intercept Form?
Watch this video and find out how to graph a quadratic equation when it's in intercept form! After going through the different forms of quadratic equations, an instructor leads viewers through an example problem. For the example problem,...
Curated OER
What is the Quadratic Formula?
What do you do when you are trying to solve a quadratic equation and factoring and graphing aren't working out for you? Use the quadratic formula! Watch this video to find out exactly how to find your solutions with the quadratic...
Curated OER
How was the Quadratic Formula Derived?
If you or your class members are interested in how the quadratic formula is derived, then take a look at this video! The tutorial takes you through each step necessary to derive the quadratic formula from the general form for a quadratic...
Curated OER
How Do You Solve a Quadratic Equation by Completing the Square?
Completing the square is an effective way to solve a quadratic equation. Introduce your class to this technique and use this video to complement your lesson. This resource takes viewers through the process of completing the square,...
Curated OER
What is a Quadratic Function?
This is an introductory video on how to identify a quadratic function. This video explains what a quadratic function is and what the graph of a quadratic function looks like. The instructor goes through 4 examples of quadratic functions...
Curated OER
What's FOIL?
FOIL= first, outside, inside, last. Use this method to multiply two binomials. The teacher demonstrates this method using variables. Then she demonstrates with numbers and variables and writes out each term being multiplied. Finally,...
Curated OER
How Do You Solve a Word Problem Using a Function?
Yes, it's a word problem but you have all the information you need to solve it. You have a formula, and they have given you a value to plug in. So get to it and write out the formula, plug in the value and solve this word problem.
Curated OER
How Do You Find All the Possible Factors of a Trinomial?
So you are looking for all the possible binomial factors of a trinomial expression? First find the factors of the coefficients. Then set up a table or template to do a guess and check. Write out, using the template, all the possible...
Curated OER
What's a Polynomial?
A polynomial is the sum of one or more monomials. They are identified by the number of terms they have. Monomials, binomials, trinomials, find out what these terms identify.
Curated OER
What is the Minimum of a Quadratic Function?
What is the lowest point of a 'U' shaped parabola called? It's called the minimum of a quadratic function, also known as, the vertex.
Curated OER
What is the Maximum of a Quadratic Function?
What is the highest point of an upside down parabola called? It's called the maximum of a quadratic function, also known as, the vertex.
Corbett Maths
Completing the Square
Now your lesson will be complete. Scholars first review the process of completing the square to rewrite quadratics in vertex form. The method shown here is to first take half of the coefficient of x and finding the perfect square, then...
FuseSchool
Completing the Square—Quadratics
What happens when factoring fails? Viewers learn how to rewrite quadratics that cannot be factored. They learn to complete the square to write quadratic in vertex form.
FuseSchool
Completing the Square—Part 2
Add another method to your arsenal by solving quadratics using completing the square. Scholars learn to solve quadratic equations that cannot be solved by factoring. The preferred method for this video is completing the square.
Curated OER
Completing the Square
The instructor discusses how to solve a quadratic equation by completing the square. The verbal explanation is fairly complete, but the writing of the steps is rather vague.
Curated OER
What's FOIL?
FOIL= first, outside, inside, last. Use this method to multiply two binomials. The teacher demonstrates this method using variables. Then she demonstrates with numbers and variables and writes out each term being multiplied. Finally,...
Curated OER
How Do You Graph a Quadratic Equation in Intercept Form?
Watch this video and find out how to graph a quadratic equation when it's in intercept form! After going through the different forms of quadratic equations, an instructor leads viewers through an example problem. For the example problem,...
Curated OER
How Do You Factor a Polynomial Using the A-C Method?
When first looking at this polynomial and thinking about factoring it into binomials, the task seems daunting because the numbers just look icky. But watch this video and see the instructor demonstrate how to factor by the A-C method....
Curated OER
How Do You Use the Square Root Method to Solve a Quadratic Equation with Two Solutions?
There are many methods that can be used to solve a quadratic equation. The teacher demonstrates how to use the square root method to solve this equation. But wait, how can there be two solutions? And how can one of them be a negative...
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...