Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Solving Equations - 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...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Iteration - 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...
Curated Video
Adding Polynomials: Combining Like Terms
In this video, the teacher explains that the set of polynomials is closed under addition by combining like terms. They provide examples and explanations of how to add polynomials together, emphasizing the importance of keeping the...
Curated Video
Multiplying Negative Integers: Understanding Equal Groups
In this lesson, students learn how to multiply negative integers by negative integers by thinking about equal groups. They use models to represent positive and negative integers and understand the concept of additive inverses.
Brian McLogan
Given the imaginary zeros find the equation of the polynomial
👉 Learn how to write the equation of a polynomial when given imaginary 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
Learn how to evaluate an algebraic expression, 3x^2 - 2yx - x + 4; x = -1 and y = -2
👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
Brian McLogan
How to determine the difference between two fractions with same denominators
👉 Learn how to add or subtract fractions with common denominators. When adding or subtracting two or more fractions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then...
KnowMo
Changing the Subject of Formulas: A Guide to Isolating Variables
This video is a lecture on changing the subject of a formula. The instructor explains the importance of understanding the subject of a formula and how to isolate it from other variables in the equation. Various examples are provided to...
Curated Video
Solving Simultaneous Equations with a Quadratic: The Substitution Method and the Discriminant
This video is a lecture presentation on how to solve simultaneous equations involving a quadratic. The speaker explains what simultaneous equations are and how they involve two or more unknowns with the same values in each equation. They...
Curated Video
Introduction to Other Straight Line Equation Formats
The video discusses different formats for writing straight line equations, with a focus on the values of Y, X, M, and C. The lecturer explains how to calculate the gradient of a line and how to use it with given coordinate points to find...
KnowMo
Expanding Brackets using the Box (Grid) Method
The video is a tutorial on how to expand brackets using a different method than the traditional FOIL method. The presenter introduces the "grid method" and explains how to break down the brackets into different terms before multiplying....
Brian McLogan
How to find the center and radius of a circle in standard form
Learn how to graph the equation of a circle by completing the square. Completing the square will allow us to transform the equation of a circle from general form to standard form. When the equation is in standard form we can identify the...
Brian McLogan
Write an expression as a single trig function of an angle using sum and difference form
👉 Learn how to write a given sum or difference of two angles formula expression as a single sum/difference of angles trigonometric function. To do this, we first identify the trigonometric function for which its sum/difference formula is...
Brian McLogan
Pre-Calculus - How to find the exact value by using the sum of two angles formula with cosine
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Evaluate cosine of an angle using the difference of two angles formula
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Double angle of cosine using right triangle
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Brian McLogan
Solving trigonometric equations
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
How to find an antiderivative of a trig expression using identities
👉 Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as an indefinite integral or as a definite...
Brian McLogan
Learn how to use the power to product and power to quotient rule with multiple exponents
👉 Learn how to simplify expressions using the power rule of exponents. When several terms of an expression is raised to an exponent outside the parenthesis, the exponent is distributed over the individual terms in the expression and the...
Brian McLogan
How To Multiply Using Foil - Math Tutorial
👉 Learn how to multiply polynomials. To multiply polynomials, we use the distributive property. The distributive property is essential for multiplying polynomials. The distributive property is the use of each term of one of the...
Brian McLogan
How to subtract a trinomial from a polynomial
👉 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...
Brian McLogan
How to simplify an expression using rules of exponents
👉 Learn how to simplify expressions using the quotient rule of exponents. The quotient rule of exponents states that the quotient of powers with a common base is equivalent to the power with the common base and an exponent which is the...
Brian McLogan
Solving a quadratic using difference of two squares
👉Learn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...