The gradient of the straight line joining the points P(5, -7) and Q(-2, -3) is
-
A.
(frac{1}{2}) -
B.
(frac{2}{5}) -
C.
(-frac{4}{7}) -
D.
(-frac{2}{3})
Correct Answer: Option C
Explanation
PQ = (frac{y_1 – y_0}{x_1 – x_0}) = (frac{-3 – (-7)}{-2 – 5}) = (frac{-3 + 7}{-2 – 5}) = (frac{4}{-7})
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