The word "Average" is used in many ways. Here I will try to explain the use of average that you would encounter in school algebra class. Mathematically, an average of some numbers is …

You can put this solution on YOUR website! This is a linear function showing a relationship between x and y. For y = mx + c, we have y expressed as a function of x, whereby any …

This lesson concerns systems of two equations, such as: 2x + y = 10 3x + y = 13. The equations can be viewed algebraically or graphically. Usually, the problem is to find a solution for x and y …

Introduction Quadratics are a family of curves that all have the same basic shape and are always symmetrical: in terms of maths, they are simple to work with. Basic Shape A quadratic is one …

Using quadratic functions to solve problems on maximizing revenue/profit Problem 1 A movie theater holds 1000 people. With the ticket price at $8 during the week, the attendance at the …

- Problems on Combinations - Problems on Combinations with restrictions - Math circle level problem on Combinations - Arranging elements of sets containing indistinguishable elements - …

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Coin problems This lesson and the lesson next to this, More Coin problems, show you some typical Coin problems and methods to solve them. The givens in this type of problems usually …

Question 812948: A farmer has 120 meters of fencing and wants to enclose a rectangular plot of land that requires fencing on only three sides since it is bounded by a river on one side. Find …

Question 261430: What do the lines outside of the equation mean? Ex: |7-4|=3 or something like that. i have a math exam tomorrow and i need help! Also, when I see this question "2+2 or …