You do realise that 4.35 and 4.35 are exactly ther same number? however, <span>√ 17 = 4.1234105626 so I think you are trying to tell us siomething. Dont know what the B aND C's mean, maybe you could explain. the square root of 19 = 4.35 interestingly </span>
The slope of a line is the amount of units it goes across the x axis by how many units it goes up the y axis. A line with slope 3 goes 3 spaces up for every one space along.