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Which is the equation of the trend line that is shown?
y = 4/7x + 1/7. Explanation: To find slope, you plug the two points into the equation (y2-y1)/(x2-x1). So, (7-3)/(12-5), or 4/7. This slope is then coefficient of x, showing 4/7x. You can clearly see that the y-intercept is positive, and infer that it is 1/7 based on the answer choices.
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