Brian McLogan
How to Determine the Zeros of a Polynomial
👉 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...
Brian McLogan
How the number of sign changes of a polynomial helps us determine the number or real zeros
👉 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...
Brian McLogan
How do you find the axis of symmetry and vertex in intercept form
👉 Learn how to graph quadratic equations by completing the square. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which...
Brian McLogan
Find the roots of a quadratic equation by factoring
👉 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...
Brian McLogan
Find all the possible rational zeros given a polynomial
👉 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...
Curated Video
KS2 Primary Maths Age 9-13 - Calculations: Subtracting Whole Numbers - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps. This video looks at...
Brian McLogan
Zeros of Polynomials | Polynomials | Pre-Calculus
In this video we will cover how to determine the real zeros of a polynomial by factoring as well as writing the equation of a polynomial given the zeros and multiplicity. We will focus on factoring polynomials with two, three and four...
Brian McLogan
Master Determining the number of real positive, real negative and complex zeros, descartes rule of s
Master Determining the number of real positive, real negative and complex zeros, descartes rule of s
Brian McLogan
Sketch the graph of a factored polynomial using multiplicity
👉 Learn how to use the tools needed to graph a polynomial function in factored form. A polynomial in factored form is when the polynomial is written as a product of its linear factors. Each linear factor represents an x-intercept and the...
Brian McLogan
SYTHENTIC DIVISION mistakes
Students often prefer sythentic division over long division because it is "easier" and faster. However students still make many mistakes and in this video I will highlight some of the most common mistakes.
Brian McLogan
x and y intercepts in factored form
👉 Learn how to find all the zeros of a factored 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...
Brian McLogan
What do the zeros roots tell us of a polynomial
👉 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...
Brian McLogan
Learn to find the possible real positive & negative zeros from descartes rule of signs
👉 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...
Brian McLogan
Determining the rational zeros by applying the rational zero test
👉 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...
Brian McLogan
How to use synthetic division to divide two polynomials forgot to write the quotient out
👉 Learn about dividing by synthetic division. 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 the variable, the solution for...
Brian McLogan
Determining end behavior and degrees of a polynomial graph
👉 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...
Brian McLogan
Learn how to add two rational expressions by finding the LCD
Learn how to add/subtract rational expressions with trinomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Brian McLogan
Overview of zeros of a polynomial - Online Tutor - Free Math Videos
👉 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...
Curated Video
Multiplication by Large Place Values and their Multiples (Part 1)
Multiply a single-digit whole number by a place value of 10, 100, or 1,000 or a multiple of a place value in numbers.
Curated Video
Reading and Writing Whole Numbers in Words ( Number Names)
Use words (number names) to read and write whole numbers!
Curated Video
Multiplication by Large Place Values and their Multiples (Part 2)
Multiply a single-digit whole number by a place value of 10, 100, or 1,000 or a multiple of a place value in numbers.
Curated Video
Using Estimation and Multiplication to Solve a Real World Problem
In this short math video we will answer a standardized math test question using estimation & multiplication to solve a real world problem. We will review how to estimate a value. We estimate to create a simpler problem. We will identify...
Curated Video
Reading and Writing Whole Numbers in Expanded Form (Example)
Read and write multi-digit whole numbers in expanded form.