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ok here goes?
find an equationof the line having the given slope and containing the given point. express your answer in the form of x=a,y=b,or mx+b.
the equation of the line is y=?
Use y - y1 = m(x - x1) which will lead to the form y = mx + b. If the slope is undefined, then the line is simply x = c, where c is the x intercept.