Higher - The gradients of two perpendicular lines will always multiply to make –1. Make sure you are familiar with finding the equation of a line and calculating gradient to understand equations of ...

Lines may be essential in Photoshop documents, such as when you're setting up a page for executives to hand-write business statements or for employees to take notes at your next seminar. While drawing ...

In addition to basic calculation functions, Excel also provides data analysis tools that allow you to find the R2 of two lines with an Excel formula. R2, or R-squared, is the relationship between two ...