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**abc** this is the question:

Given that A(0,-3) and B(-10,-28) are two points that lie on a straight line in x and y space, find:

(a) The slope of the line

(b) The intercept

(c) The equation for the straight line

(d) Sketch the line

I uset his formula c = y1 - y2 / x1 - x2 = 25/10

so y = a - 25/10x

the slope of the line is 25/10x

how do i find the intercept( is there a formuala to this), and also the quation for the stright line.

I am assuming the "d" will be answered by doing "c" should that shouldn't be a problem.

I would really appreciate your help.