Instructional Video5:44
Curated Video

Comparing Strategies to Solve Quadratic Equations

K - 5th
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...
Instructional Video6:01
Curated Video

Deriving the Quadratic Formula by Completing the Square

K - 5th
In this video lesson, students will learn how to derive the quadratic formula by completing the square. The teacher explains the process step by step, using variables instead of specific numbers to demonstrate the general form of a...
Instructional Video4:26
Curated Video

Solving Quadratic Equations by Inspection

K - 5th
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.
Stock Footage0:25
Getty Images

Stair pool

Pre-K - Higher Ed
Stair pool
Stock Footage0:16
Getty Images

HD Stair pool

Pre-K - Higher Ed
HD Stair pool
Stock Footage0:33
Getty Images

HD Stair pool

Pre-K - Higher Ed
HD Stair pool
News Clip2:05
Bloomberg

Fed Is Entering Into 'Neutral Zone,' Says TD Securities' Misra

Higher Ed
Jul.18 -- Priya Misra, head of global rates strategy at TD Securities, discusses market response to the Federal Reserve's rate path and what constitutes a neutral rate. She speaks with Bloomberg's Tom Keene on "Bloomberg Surveillance."
Instructional Video4:02
Curated OER

How Do You Find All the Possible Factors of a Trinomial?

8th - 11th
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...
Instructional Video5:55
Curated OER

How Do You Solve a System of Equations Using Substitution if One Equation is a Quadratic?

8th - 11th
Two equations. Wait! They don't look like the same kind of equations. How do you solve a system of equations when one equation is linear and the other is a quadratic? Watch this video as the instructor illustrates how to use the...
Instructional Video2:28
Curated OER

How Do You Solve a Word Problem Using a Function?

6th - 12th
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.
Instructional Video7:42
Curated OER

What's a Polynomial?

7th - 9th
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.
Instructional Video1:34
Curated OER

Factoring Quadratic Polynomials

5th - 8th
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...
Instructional Video3:33
Curated OER

What's FOIL?

6th - 12th
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,...
Instructional Video3:04
Curated OER

How Do You Solve a Word Problem Using a Function?

6th - 12th
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.
Instructional Video4:37
Curated OER

How Do You Find All the Possible Factors of a Trinomial?

6th - 12th
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...
Instructional Video2:51
Curated OER

What's a Polynomial?

6th - 12th
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.