Instructional Video1:40
Brian McLogan

Applying synthetic division when your dividend is missing a term

12th - Higher Ed
👉 Learn about dividing by synthetic division when there is a missing power. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...
Instructional Video6:35
Brian McLogan

Overview Zeros of a functions - Online Math Tutor - Free Math Videos

12th - Higher Ed
👉 Learn about zeros and multiplicity. The zeroes of a polynomial expression are the values of x for which the graph of the function crosses the x-axis. They are the values of the variable for which the polynomial equals 0. The...
Instructional Video18:36
Brian McLogan

Zeros, intercepts, end behavior of a polynomial in vertex form

12th - Higher Ed
Zeros, intercepts, end behavior of a polynomial in vertex form
Instructional Video6:37
Brian McLogan

Using Rational Zero Test and All Zeros of a Polynomial

12th - Higher Ed
👉 Learn how to find all the zeros of a polynomial that cannot be easily factored. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros...
Instructional Video2:16
Brian McLogan

Writing the end behavior of a polynomial using limits

12th - Higher Ed
👉 Learn how to determine the end behavior of the graph of a factored polynomial function. To do this we will first need to make sure we have a polynomial in standard form (i.e. we will expand all factored terms) with descending powers....
Instructional Video2:32
Brian McLogan

Why is dividing by zero undefined

12th - Higher Ed
👉 Learn about zeros and multiplicity. The zeroes of a polynomial expression are the values of x for which the graph of the function crosses the x-axis. They are the values of the variable for which the polynomial equals 0. The...
Instructional Video2:43
Brian McLogan

Dividing two polynomials using synthetic division

12th - Higher Ed
👉 Learn about dividing by synthetic division when there is a missing power. Synthetic division is a method of dividing polynomials by linear expressions. To divide using synthetic division, we equate the divisor to 0 and then solve for...
Instructional Video2:48
Brian McLogan

Divide two polynomials using long division

12th - Higher Ed
👉 Learn how to divide polynomials by quadratic divisors using the long division algorithm. Before dividing a polynomial, it is usually important to arrange the divisor in the descending order of powers of the variable(s). To divide a...
Instructional Video3:18
Brian McLogan

Dividing two polynomials using long division algorithm

12th - Higher Ed
👉 Learn how to divide polynomials using the long division algorithm. To be able to solve a polynomial, we need to be able to get the factors and hence the zeros. To get the factors, we use the rational zeros theorem to get one of the...
Instructional Video9:02
Brian McLogan

Learn how to use long division to divide two polynomials

12th - Higher Ed
👉 Learn how to divide polynomials using the long division algorithm. To be able to solve a polynomial, we need to be able to get the factors and hence the zeros. To get the factors, we use the rational zeros theorem to get one of the...
Instructional Video2:37
Brian McLogan

How to Use Factoring to Find All of the Zeros of a Polynomial Function

12th - Higher Ed
👉 Learn how to find all the zeros of a polynomial. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros of a polynomial are the values...
Instructional Video7:07
Brian McLogan

Learn how to find all the zeros and graph a polynomial using synthetic division

12th - Higher Ed
👉 Learn how to use the tools needed to graph a Polynomial function in standard form. The tools we will use to help us graph are end behavior, finding the zeros by factoring synthetic division as well as identify the multiplicity of each...
Instructional Video1:52
Brian McLogan

Mulitiplying Rational Expressions

12th - Higher Ed
Learn how to multiply rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To multiply two rational expressions, we use the...
Instructional Video2:18
Brian McLogan

Learn how to subtract two polynomials by including multiple place values

12th - Higher Ed
👉 Learn how to subtract polynomials. To subtract polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you...
Instructional Video1:44
Brian McLogan

How to add two polynomials to each other by aligning the like terms

12th - Higher Ed
👉 Learn how to add polynomials. To add polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you have...
Instructional Video2:52
Brian McLogan

Applying the reciprocal rule with negative exponents to simplify an expression

12th - Higher Ed
👉 Learn how to simplify expressions using the power rule and the negative exponent rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual...
Instructional Video5:50
Brian McLogan

Write a rational function as a reciprocal function then find intercepts and asymptotes

12th - Higher Ed
Write a rational function as a reciprocal function then find intercepts and asymptotes
Instructional Video9:40
Brian McLogan

How to expand binomial by hand

12th - Higher Ed
How to expand binomial by hand
Instructional Video3:40
Brian McLogan

What are like terms and why do they have to be the same to combine

12th - Higher Ed
👉 Learn how to add and subtract polynomials by combining like terms. Identifying like terms allows us to combine terms. Like terms are when terms share the same base and power for each variable. When you have like terms you simply apply...
Instructional Video3:32
Brian McLogan

Dividing two polynomials using long division algorithm

12th - Higher Ed
👉 Learn how to divide polynomials using the long division algorithm. To be able to solve a polynomial, we need to be able to get the factors and hence the zeros. To get the factors, we use the rational zeros theorem to get one of the...
Instructional Video1:48
Brian McLogan

Learn how to distribute a negative x to a trinomial

12th - Higher Ed
In this video playlist I will show you the basics for polynomial functions. We will start with factoring polynomial equations to determine the zeros of a polynomial. We will then learn how to write the polynomial given a set of zeros....
Instructional Video5:13
Brian McLogan

Learn how to write the end behavior from a polynomial in factored form

12th - Higher Ed
👉 Learn how to determine the end behavior of the graph of a factored polynomial function. To do this we will first need to make sure we have a polynomial in standard form (i.e. we will expand all factored terms) with descending powers....
Instructional Video2:59
Brian McLogan

Learn how to find the end behavior given a graph of a polynomial

12th - Higher Ed
👉 Learn how to determine the end behavior of a polynomial function from the graph of the function. To do this we look at the endpoints of the graph to see if it rises or falls as the value of x increases. If the graph of the polynomial...
Instructional Video5:02
Brian McLogan

Apply Descartes rule of signs to a polynomial to find the roots

12th - Higher Ed
👉 Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...