3 years ago

Match the correct y=mx+b equation to the graph: pls show work/explanation!

1 answer:

7 0

The equation is y = -4/5x + 3
b is the y intercept or where the graph intersects the y axis, which we can see is 3. m, the slope, it a bit more tricky to find since its hard to identify clear points where the line intersects solid points, but if you look closely youll see that the line goes through the point ( 5,-1), and we know the y intercept which is (0,3). We can use the slope equation which is
M = (y1-y2)/(x1-x2)
M = (-1-3)/(5-0) = -4/5

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