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Mathematical equations called functions use input and output replace the variables in an equation. The input is the known variable, while the output is the solution. Use functions any time a variable (x) transforms in a ... More »
An accurate Math input output table consists of ordered pairs that correctly follow a specific rule. It is also known as a function table. People can determine missing values in the table by identifying the number patter... More »
Use inputoutput tables in fifthgrade math to help students learn the concepts of mathematical functions by plotting the values on a graph. Each input value, graphed on the horizontal axis, has a corresponding output va... More »
To write linear equations from word problems, the student must first decide which quantities to assign variables to, and then decide what operations must be performed in order to solve the problem. For example, the unkno... More »
A 3x3 system of equations solver is a tool that tells the user the values of three variables based on three equations. The user inputs the three equations, chooses which method to use and sees the results. More »
One of the "cute" equations concerning love was introduced in the 1900 mathematical works of the British doctor, Havelock Ellis. Very simply, the equation provided the following formula: Love = Sex + Friendship. In 1956,... More »
An extremely difficult math equation is the JacobiMadden equation, a4 + b4 + c4 + d4 = (a + b + c + d)4 where variables a, b, c and d can be any positive integer, negative integer or zero. The JacobiMadden equation is ... More »

US StandardsAligned
K12 Curriculum Aligned to Stateand Common Core Standards.

IXL Family Membership
Get Started for $9.95/month.Win Prizes, Certificates. Have Fun!

IXL K12 Math Practice
IXL is the Web's Most AdaptiveMath Practice Site. Try it Now!

IXL Teacher Membership
Sign Up for a Free 30Day Trial NowGet Your Students Online in Minutes