Brian McLogan
Given an angle in degrees, determine the quadrant it lies in
👉 Learn how to determine the quadrant of an angle given in radians. Recall that 1 radian is the distance on the circumference of the circle that is equivalent to the radius of the circle. Also, recall that the circumference of a circle...
Brian McLogan
Evaluating the cotangent function using the first quadrant of the unit circle
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
Evaluate Sine given an angle where the terminal side is on the y axis
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
How to write the final answer of a problem using synthetic division
👉 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
Identify the vertex in vertex form with b
👉 Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...
Brian McLogan
Master How to graph linear inequalities in standard form
Master How to graph linear inequalities in standard form
Brian McLogan
Simplifying a complex expression and putting it in standard form
In this math tutorial I will show you how write a complex number in standard form after simple operations have been performed. You will learn how to find the value of real and imaginary numbers in a complex number and then write it in...
Brian McLogan
When given three rational zeros learn to write the polynomial equation
👉 Learn how to write the equation of a polynomial when given rational 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. The...
Brian McLogan
Systems with no solutions
In this video series I show you how to solve a system of equations using substitution. When solving using substitution we need to take one equation and solve for a variable. Sometimes an equation will already have a variable isolated. If...
Brian McLogan
Write the end behavior of a polynomial factored out
👉 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....
Brian McLogan
Learn how to graph a quadratic with a reflection and horizontal shift
👉 Learn how to graph quadratic equations in vertex form. 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 can either...
Brian McLogan
Determine slope interecept form from standard form
👉 Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Brian McLogan
How to apply synthetic division when your zero is a fraction
👉 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Number: Standard Form - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Graph a negative angle in degrees in standard form
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
Adding polynomials not in standard form
👉 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...
Brian McLogan
Tutorial - How to subtract a complex number from an imaginary number ex 15, 3i - (1 - 12i)
In this video playlist you will learn everything you need to know with complex and imaginary numbers 3i - (1 - 12i)
Brian McLogan
MASTER How to write the equation of a parabola given three points it goes through (mistake)
MASTER How to write the equation of a parabola given three points it goes through (mistake)
Brian McLogan
Multiplying two exponents and adding the powers the easy way
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....
Brian McLogan
Complete the square by factoring out a two to label the vertex
👉 Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...
Brian McLogan
Write the Equation of a Parabola Given Three Points
Given three points how can you write the equation of the parabola. In this video I will show you how to do it using systems of equations.
Brian McLogan
Putting a complex number in standard form - Online Tutor
👉 Learn how to simplify radical expressions. In this playlist we will explore simplifying radical expressions by prime factorization and rules of exponents. We will explore the square root, cube root as well as the fourth root of numbers...
Curated Video
How to Convert Scientific Notation to Standard Form
In this video, we learn how to convert a number written in scientific notation to standard notation. The teacher explains the process step-by-step and shows an example of converting 8.25 * 10 to the 5th to 825,000.
Communication Coach Alex Lyon
Face to Face vs Online Communication
Face-to-face vs online communication. We compare and contrast examples of each type for your personal and business relationships.