Hi,Trying to find the equation of the line with a gradient of -1/2 and passing through the point (5,-2)Thankyou 

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Gradient....do you mean the slope? If gradient does indeed mean slope, all you have to do is plug in the points into the equation y = mx+b and solve for b, which is the y-intercept.-2 = (-1/2)5+b-2 = -2.5+b.5 = bSo, y = -1/2x + 0.5If you use decimals for the slope, then it becomes y = -0.5x+0.5