Find out about Dudeney numbers and how to find them in this quick maths article.

- Jun 21, 2021

This article helps you learn the concept of alternate interior angles in geometry through solving various examples. The article also includes the converse of the alternate interior angles theorem and its proof.

- Jun 16, 2021

In this article, you will learn how to use each double angle formula for sine, cosine, and tangent in simplifying and evaluating trigonometric functions and equations. This article also includes double angle formulas proof and word problems.

- Jun 16, 2021

Learn how to solve direct variation examples. This article also includes a definition of direct variation, as well as the corresponding formula, graph, and an explanation of how to create formula equations.

- Jun 16, 2021

This article will teach you how to find coterminal angles in degrees and radians.

- Jun 12, 2021

Learn about three ways of solving quadratic equations in this quick maths article.

- Jun 14, 2021

Learn how to divide complex numbers in polar form by learning the step-by-step procedures shown in the examples.

- Jun 4, 2021

Learn how to solve inverse variation problems in algebra. This article also includes definitions, formulas, graphs, and examples explaining how to translate mathematical statements of inverse variations to equations and vice versa.

- May 29, 2021

Learn how to solve joint variation problems in algebra. This article includes definitions and various examples about joint variation and combined variation that will help gauge understanding of the topic.

- Jun 4, 2021

Learn how to perform the vertical line test in identifying if a graph is a function or not. This article also includes definitions and various examples that will gauge your understanding of the topic.

- Jun 4, 2021

Learn how to calculate the area of the shaded region using the area decomposition method. This article also includes step-by-step procedures for all types of problems involving shaded areas.

- May 29, 2021

Learn how to sketch a cotangent graph by learning its properties such as period, horizontal shift, vertical shift, amplitude, vertical asymptotes and more. This article also includes examples of step-by-step procedures on how to graph secant functions with different forms.

- May 23, 2021

How do we find the sum of a geomtric sequence? Discover how to quickly add up the first terms of a geometric sequence in this quick maths article.

- May 20, 2021

Learn how to sketch a secant graph by learning its properties such as period, horizontal shift, vertical shift, amplitude, and more. This article also includes examples of step-by-step procedures on how to graph secant functions with different natures.

- May 13, 2021

What are hexadecimal numbers, what are they used for and how do we convert them into decimal numbers? Find out all of this and more in this quick math article.

- May 10, 2021

Learn the different reciprocal identities in trigonometry together with other fundamental identities such as Pythagorean and quotient identities. This article includes several examples that can help in understanding the trig reciprocal identities.

- May 2, 2021

Learn how to apply sum and difference formulas in solving trigonometric equations. This article also includes the definition of sum and difference identities, proofs, and examples with solutions.

- Apr 30, 2021

Learn how to solve problems about similar polygons using the concepts of ratio of areas, perimeters, side lengths, diagonals, and angle bisectors. This article also includes practice problems with solutions and answers that will help gauge understanding of the topic.

- May 4, 2021

You keep pulling socks out of a messy drawer, desperately trying to find a matching pair, but all you seem to get are odd socks. How many socks will you need to pull out of the drawer in order to be guaranteed a matching pair? Find out in this quick mathematics article.

- Apr 24, 2021

Learn how to solve mutually inclusive events in probability by going through the examples written in this article.

- Apr 20, 2021

Learn how to use the triangle proportionality theorem to complete triangle proportions, solve word problems, and find the value of the missing sides of a triangle. This article includes the triangle proportionality theorem proof and examples that can help you fully gauge your understanding of it.

- Apr 29, 2021

A look at how using the difference of two squares can speed up your mental arithmetic with large numbers

- Apr 21, 2021

It's common knowledge that the square root of two is an irrational number, but how can we prove it? Find out in this quick mathematics article.

- Mar 30, 2021

Learn how to rationalise the denominator in this quick high school mathematics article.

- Mar 22, 2021

When learning about surds/radicals at school, we are always told to rationalise the denominator. But what does this mean and why do we do it? Find out why in this quick mathematics article.

- Mar 16, 2021

Two criminals have been arrested for a crime, but the police don't have enough evidence to convict. They offer each criminal the chance to reduce their sentence by testifying against the other, but is this the best option? Find out in this quick math article.

- Mar 10, 2021

The village of Smallville and the Intergalactic Gods have both had five metres of boundary rope stolen from their circular cricket pitches. They have vastly different sized pitches, so whose pitch will reduce in radius the most?

- Feb 28, 2021

Alan has the best scoring average in the first half of the basketball season and the best scoring average for the second half of the season, but when everything is tallied together he finds that it is Brian who has the highest average over the season. Find out how in this quick math article.

- Feb 17, 2021

This article will provide a look at Hilbert's Paradox of the Grand Hotel, also known as the 'Infinite Hotel Paradox'. Find out how to fit extra guests into the infinite hotel, even when every room is occupied!

- Feb 10, 2021

Learn how to evaluate and simplify the limits of indeterminate forms using L'Hopital's Rule. This article includes L'Hopital's Rule Proof, when to use it, and examples with solutions about finding the limit of various functions.

- Feb 10, 2021

This article includes problems with solutions teaching how to convert rectangular to cylindrical coordinates and vice versa, identify the surfaces in the cylindrical coordinate system, and find a cylindrical equation of three-dimensional spaces.

- Feb 8, 2021

Learn how to use the Divergence Test in determining the convergence or divergence of a series.

- Feb 8, 2021

Learn how to solve the derivative of constant times a function through a step-by-step Constant Multiple Rule method.

- Feb 8, 2021

Learn how to solve problems about cofunction identities in trigonometry. This article also includes formulas, proofs, and examples with solutions that can help you fully apply the cofunction trigonometric identities.

- Feb 8, 2021

Learn how to find the linear approximation or differentials of a function at a given point. This article also includes formulas, proof, and examples with solutions that can help you fully understand the Linear Approximation topic in Calculus.

- Feb 4, 2021

What do you think of when you hear the word infinity? Can there by different sizes of infinity? Find out in this quick math article.

- Feb 8, 2021

The slope of a line is the direction in which the line goes. You can calculate it as the ratio between horizontal change and vertical change, or you can use the derivative.

- Apr 11, 2021

Finding the intersection is something that comes up a lot in math. To do this you need to set the expressions equal and solve for x. Then you can determine y by filling in the x you found.

- Jan 6, 2021

The variance of a probability distribution is a measure to quantify the spread of a distribution. If the variance is low, all outcomes are close to the mean, while distributions with a high variance have outcomes that could be far away from the mean.

- Jan 7, 2021

The mean is the most important measure of probability distributions. It tells a lot about the likelihood that certain events will happen.

- Jan 8, 2021

If you were asked to add together all of the numbers from 1 to 100, what would you do? Would you go through each number, adding to your total as you went or is there a quicker way? Find out in this article.

- Jan 16, 2021

The Pythagorean theorem is one of the most well-known theorems in math. It describes the length of the hypothenuse of a right triangle using the lengths of the other sides.

- Feb 8, 2021

A right triangle is a triangle in which one angle is right, meaning it is exactly 90°. For these triangles, it is possible to calculate the other angles using goniometric functions as the sine, cosine and tangent.

- Jan 6, 2021

The inverse function of a function f(x) tells you which x you need to fill in in f to get a certain outcome. It therefore can be very useful in practice.

- Dec 11, 2020

The limit of a function describes how the function behaves in the neighborhood of some value. Often, it is interesting to look at the limit for x to infinity. This describes what happens when you would follow the line of the graph of the function until "the end".

- Dec 16, 2020

Finding the minimum or maximum of a function is very important in mathematics. It can help you finding the optimal solution to a problem. Often you want some quantity to be maximal, such as profits or capacity. Also minima can be very useful, for example, when looking at a cost function.

- Dec 8, 2020

Finding the derivative is something that comes up a lot in maths, but what is it actually? The derivative tells you what the slope of the function is in a certain point. The derivative of a function can be calculated using the definition, but mostly it is done by using standard rules.

- Jan 13, 2021

This article can help you learn how to find the derivative of constants in various forms.

- Nov 21, 2020

In this article, you can learn how to use the power-reducing formulas in simplifying and evaluating trigonometric functions of different powers.

- Nov 19, 2020

This article will help you learn to evaluate limits by solving various problems in Calculus that require applying the limit laws.

- Nov 19, 2020