Slope of the straight line through the points (-2, -3) and (5, 4):
Between two points (x0, y0) and (x1, y1):
change_in_y = y1 - y0;
change_in_x = x1 - x0;
slope = change_in_y / change_in_x
→ slope = (4 - (-3)) / (5 - (-2)) = (4 + 3) / (5 + 2) = 7 / 7 = 1.
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Points: (0, 5) and (10, -15) Slope: -2
Points: (3,-1) and (-2, -5) Slope: 4/5
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Points: (2,-5) and (3, -3) Slope: (-3 - -5)/(3-2) = 2
Points: (1, 14) and (3, 4) Slope: (4-14)/(3-1) = -5