# integrated algebra and geometry EQUATIONS

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Presumably the "slope-intercept" form is y=mx+c. Your task is then to find the values of m and c. You know two points that lie on this line, in other words x,y pairs that will satisfy the equation you are trying to find. Substitute those values of x and y, to give two new equations, this time in m and c. Two unknowns, two equations. So you then proceed to solve these simultaneous equations to find m and c.

11 September 2012

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