What is the slope of a line passing through the points (4, 7) and (7, 4)?
- A. -1 ✓
- B. -2
- D. 1
Correct answer
A. -1
Explanation
Slope = (y2 - y1)/(x2 - x1) = (4 - 7)/(7 - 4) = -3/3 = -1.
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