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 ...
Predicting Values: Once you have a linear equation that represents a relationship, you can use it to predict values. For ...
The slope of a line, often denoted by the letter m, is defined as the ratio of the vertical change (rise) to the horizontal ...
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