its really easy well this part of algebra the other parts will give u a headache.....but u need to watch videos or read a text book like in dept it really helps....hope it helped:)))))))))))
In summary. The graph of each equation is a straight line, m is the gradient of the line and c is the y-intercept. Conversely, if a straight line has gradient m and y-intercept c it has equation y = mx + c.
