A linear equation is one that has the form ax by = c. The variables x and y are variables, while the constants a, b, and c are constants. y = 4x - 3 is an example of a linear equation. What are fixed ...

With only one variable in the model, it is unclear whether Visa affects the S&P 500 prices, if the S&P 500 affects V prices, or if some unobserved third variable affects both prices.

The y-intercept of a linear regression relationship represents the value of one variable, when the value of the other is 0. In linear regression, every dependent value has a single corresponding ...

Learn how to solve equations with examples when 𝒙 is on one side with this BBC Bitesize Maths article. Maths revision for KS3 students between the ages of 11 and 14.