Slope = -3 and y-intercept = -1, then the equation is kx + y+ 1 =0 Find k
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The equation of any straight line can be written as y=mx+c, where m is its slope and c is its y - intercept. Hence, the equation of the line with slope =−3 and y - intercept =−1 is y=−3x−1 or 3x+y+1=0.
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