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how would you graph this 3x-y=-6

sara170

by sara170 at September 13, 2009

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3x - y = -6 There are several ways to graph this equation. But, considering that it is a linear equation, we simply need two points. We can find the each point by letting x and y = zero separately. Let x = 0 and solve for y. 3x - y = -6 3(0) - y = - 6 -y = -6 y = -6/-1 y = 6 Our first point is (0,6). Now let y = 0 and solve for x. 3x - y = -6 3x -(0) = -6 3x = -6 x = -6/3 x = -2 Our second point is (-2, 0). Now, plot these two points on the xy-plane and then connect them with a straight line.

mathguy mathguy September 16, 2009

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