In order to work with gradients and straight lines successfully, a good understanding of coordinates and linear graphs is needed. The gradient of a line is calculated by dividing the difference in the ...

To help draw a straight line graph from its equation, fill in a table of 𝑥 and 𝑦 values. Plot the pairs of values as coordinates and join to make a line. Make sure you are confident with ...

Normally, we find the equation of the line in the standard form,but the Slope Intercept Form is critica, when we are plotting the graph and getting the forecasted values, keeping the other variables ...