In order to work with gradients and straight lines successfully, a good understanding of coordinates and linear graphs is needed ... gradient to work out the slope of a roof.

Relationship Between Point Slope Form and a Straight Line The point slope form of an ... allowing you to quickly obtain solutions and graph the equations. These calculators can often perform ...

All lines and curves that slope downwards have a negative gradient ... are any two points on the tangent to the curve. The following graph shows the car journey from Chelsea’s house to her ...