Instructional Video
Khan Academy

Khan Academy: Algebra Ii: Zeros of Polynomials Introduction

9th - 10th Standards
The zeros of a polynomial p(x) are all the x-values that make the polynomial equal to zero. They are interesting to us for many reasons, one of which is that they tell us about the x-intercepts of the polynomial's graph. We will also see...
Instructional Video
Study Pug

Study Pug: Adding and Subtracting Rational Expressions

9th - 10th Standards
When adding and subtracting rational expressions, the denominators of the expressions will dictate how we solve the questions. Learn more about subtracting rational expressions from this video, which includes detailed explanations and...
Instructional Video
Math Antics

Math Antics: Factoring

6th - 9th
Gain a basic understanding of factoring by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [6:17]
Instructional Video
Sophia Learning

Sophia: Factor and Substitute Method: Lesson 2

9th - 10th
The method of factoring a function then substituting to find an indeterminate limit is discussed here. This lesson is 2 of 5 in the series titled "Factor and Substitute Method."
Instructional Video
Sophia Learning

Sophia: Factor and Substitute Method: Lesson 3

9th - 10th
The method of factoring a function then substituting to find an indeterminate limit is discussed here. This lesson is 3 of 5 in the series titled "Factor and Substitute Method."
Instructional Video
Sophia Learning

Sophia: Factor and Substitute Method: Lesson 4

9th - 10th
The method of factoring a function then substituting to find an indeterminate limit is discussed here. This lesson is 4 of 5 in the series titled "Factor and Substitute Method."
Instructional Video
Sophia Learning

Sophia: Factor and Substitute Method: Lesson 1

9th - 10th
The method of factoring a function then substituting to find an indeterminate limit is discussed here. This lesson is 1 of 5 in the series titled "Factor and Substitute Method."
Instructional Video
Sophia Learning

Sophia: Factor Charts: Lesson 2

7th - 8th
This lesson introduces factor charts, an organizational tool for finding possible factors for a number. It is 2 of 5 in the series titled "Factor Charts."
Instructional Video
Sophia Learning

Sophia: Factoring Algebraic Expressions With a Lead Coefficient of One: Lesson 2

9th - 10th Standards
Factor algebraic expressions completely, including trinomials with a lead coefficient of one (after factoring a GCF). This lesson is 2 of 3 in the series titled "Factoring Algebraic Expressions with a Lead Coefficient of One."
Instructional Video
Sophia Learning

Sophia: Factoring Monomials: Lesson 4

9th - 10th
This lesson will cover how to factor the coefficient separately from each variable in order to factor a monomial. It is 4 of 11 in the series titled "Factoring Monomials."
Instructional Video
Sophia Learning

Sophia: Factoring Negative A: Lesson 3

9th - 10th
This lesson shows you the steps to finding the products of factors of 'a' and 'c' that have a difference of 'b' since one factor is positive and the other negative in a quadratic equation. It is 3 of 10 in the series titled "Factoring...
Instructional Video
Sophia Learning

Sophia: Factoring Negative A: Lesson 6

9th - 10th
This lesson shows you the steps to finding the products of factors of 'a' and 'c' that have a difference of 'b' since one factor is positive and the other negative in a quadratic equation. It is 6 of 10 in the series titled "Factoring...
Instructional Video
Sophia Learning

Sophia: Factoring Negative a and C: Lesson 2

9th - 10th
This lesson shows you the steps to finding the products of factors of 'a' and 'c' that have a sum of 'b' where both factors are positive or negative in a quadratic equation. It is 2 of 10 in the series titled "Factoring Negative A and C."
Instructional Video
Sophia Learning

Sophia: Factoring Negative a and C: Lesson 3

9th - 10th
This lesson shows you the steps to finding the products of factors of 'a' and 'c' that have a sum of 'b' where both factors are positive or negative in a quadratic equation. It is 3 of 10 in the series titled "Factoring Negative A and C."
Instructional Video
Sophia Learning

Sophia: Factoring Negative a and C: Lesson 9

9th - 10th
This lesson shows you the steps to finding the products of factors of 'a' and 'c' that have a sum of 'b' where both factors are positive or negative in a quadratic equation. It is 9 of 10 in the series titled "Factoring Negative A and C."
Instructional Video
Sophia Learning

Sophia: Factoring Positive a and C: Lesson 2

9th - 10th Standards
Given a quadratic formula in a specific format, this lesson shows you how to find factors of a and c that add to b. It is 2 of 11 in the series titled "Factoring Positive A and C."
Instructional Video
Sophia Learning

Sophia: Factoring Positive a and C: Lesson 3

9th - 10th
Given a quadratic formula in a specific format, this lesson shows you how to find factors of a and c that add to b. It is 3 of 11 in the series titled "Factoring Positive A and C."
Instructional Video
Sophia Learning

Sophia: Factoring Quadratics With Coefficients: Lesson 2

9th - 10th Standards
In this lesson, you'll be shown step by step how to set up a quadratic equation in order to factor it. It is 2 of 9 in the series titled "Factoring Quadratics with Coefficients."
Instructional Video
Sophia Learning

Sophia: Factoring to Find a Derivative: Lesson 2

9th - 10th
Finding the derivative of a function at some point, when initial substitution gives an indeterminate value, is demonstrated here. This lesson is 2 of 7 in the series titled "Factoring to Find a Derivative."
Instructional Video
Sophia Learning

Sophia: Factoring to Find a Derivative: Lesson 3

9th - 10th
Finding the derivative of a function at some point, when initial substitution gives an indeterminate value, is demonstrated here. This lesson is 3 of 7 in the series titled "Factoring to Find a Derivative."
Instructional Video
Sophia Learning

Sophia: Factoring to Find a Derivative: Lesson 7

9th - 10th
Finding the derivative of a function at some point, when initial substitution gives an indeterminate value, is demonstrated here. This lesson is 7 of 7 in the series titled "Factoring to Find a Derivative."
Instructional Video
Sophia Learning

Sophia: Factoring to Find a Derivative: Lesson 1

9th - 10th
Finding the derivative of a function at some point, when initial substitution gives an indeterminate value, is demonstrated here. This lesson is 1 of 7 in the series titled "Factoring to Find a Derivative."
Instructional Video
Sophia Learning

Sophia: Factoring to Find an Indeterminate Limit: Lesson 2

9th - 10th
This lesson shows how an indeterminate limit may be found by first identifying a common factor in the numerator and denominator of the function. It is 2 of 7 in the series titled "Factoring to Find an Indeterminate Limit."
Instructional Video
Sophia Learning

Sophia: Factoring to Find an Indeterminate Limit: Lesson 4

9th - 10th
This lesson shows how an indeterminate limit may be found by first identifying a common factor in the numerator and denominator of the function. It is 4 of 7 in the series titled "Factoring to Find an Indeterminate Limit."