Instructional Video1:39
Brian McLogan

How to write the domain and range from the graph of a polynomial

12th - Higher Ed
Learn how to determine the domain and range of a function given the graph of the function. Since the domain of a function is the set of all x-values we will want to identify how far left the graph goes as well as how far right to...
Instructional Video2:25
Brian McLogan

Learn how to find the end behavior of a factored polynomial

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 Video0:47
Brian McLogan

Calculus Unit 4 Property of definite integral is zero

12th - Higher Ed
Calculus Unit 4 Property of definite integral is zero
Instructional Video11:41
Brian McLogan

Graphing a rational function with low sound sorry

12th - Higher Ed
👉 Learn how to graph a rational function. To graph a rational function, we first find the vertical and horizontal or slant asymptotes and the x and y-intercepts. After finding the asymptotes and the intercepts, we graph the values and...
Instructional Video7:27
Brian McLogan

Given One Zero or Factor Find the Remaining Zeros

12th - Higher Ed
👉 Learn how to find all the zeros of a polynomial given one rational zero. 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...
Instructional Video6:19
Brian McLogan

Find All of the 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 Video10:50
Brian McLogan

Applying Rational Zero Test Then Find All of the Zeros

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 Video5:06
Brian McLogan

Given One Zero or Factor Find the Remaining Zeros

12th - Higher Ed
👉 Learn how to find all the zeros of a polynomial given one irrational zero. 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...
Instructional Video1:54
Brian McLogan

How to determine rational zeros using the rational zeros test

12th - Higher Ed
👉 Learn how to use the Rational Zero Test on Polynomial expression. Rational Zero Test or Rational Root test provide us with a list of all possible real Zeros in polynomial expression. Rational Zero Test can be helpful to find all the...
Instructional Video3:07
Brian McLogan

Given One Zero or Factor Find the Remaining Zeros

12th - Higher Ed
👉 Learn how to find all the zeros of a polynomial given one irrational zero. 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...
Instructional Video3:23
Brian McLogan

Given One Zero or Factor Find the Remaining Zeros

12th - Higher Ed
👉 Learn how to find all the zeros of a polynomial given one complex zero. 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...
Instructional Video2:04
Brian McLogan

Given irrational zeros, write the equation of a polynomial

12th - Higher Ed
👉 Learn how to write the equation of a polynomial when given irrational zeros. Recall that 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....
Instructional Video2:54
Brian McLogan

Given a Factor Find the Remaining Factors With Quadratic Formula

12th - Higher Ed
👉 Learn how to find all the zeros of a polynomial given one rational zero. 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...
Instructional Video3:50
Brian McLogan

Applying the remainder theorem to identify the remainder of a polynomial divided

12th - Higher Ed
👉 Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...
Instructional Video2:29
Brian McLogan

Applying synthetic division when your divisor is a fraction

12th - Higher Ed
👉 Learn about dividing by synthetic division when the divisor is a fraction. 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 Video9:14
Brian McLogan

Overview of dividing 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 Video10:58
Brian McLogan

Overview of asymptotes

12th - Higher Ed
👉 Learn all about asymptotes of a rational function. A rational function is a function, having a variable in the denominator. An asymptote is a line that the graph of a function approaches but never touches. There are the vertical, the...
Instructional Video5:52
Brian McLogan

Intercepts and asymptotes of rational functions

12th - Higher Ed
👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but...
Instructional Video17:15
Brian McLogan

Master how to divide two polynomials using long division with missing terms

12th - Higher Ed
Master how to divide two polynomials using long division with missing terms
Instructional Video14:03
Brian McLogan

Master Find the Slant Asymptotes of Rational Functions

12th - Higher Ed
Master Find the Slant Asymptotes of Rational Functions
Instructional Video11:02
Brian McLogan

Write polynomial equation from linear factorization

12th - Higher Ed
Write polynomial equation from linear factorization
Instructional Video6:54
Brian McLogan

Simplifying and then finding the intercepts and asymptotes

12th - Higher Ed
👉 Learn how to find the x and y-intercepts of a rational function. The x-intercept(s) of a function occurs when y = 0 and the y-intercept(s) of a function occurs when x = 0. To find the y-intercept of a function, we plug in zero for x...
Instructional Video6:50
Brian McLogan

What is multiplicity and what does it mean for the zeros of a graph

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 Video6:38
Brian McLogan

Use descartes rule of signs to find the number of positive and negative real zeros

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...