Equations and identities An equation is a statement with an equals sign, stating that two expressions are equal in value, for example: 3 x + 5 = 11.

Least squares regression equations The premise of a regression model is to examine the impact of one or more independent variables (in this case time spent writing an essay) on a dependent variable of ...

Example 8.9: Linear Programming The two-phase method for linear programming can be used to solve the problem A routine written in IML to solve this problem follows. The approach appends slack, surplus ...

Learn how to form, solve, and rearrange equations using the tools and conventions of algebra with BBC Bitesize GCSE Maths.