The gradient of the straight line joining the p... - JAMB Mathematics 2012 Question
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
\(-\frac{2}{3}\)
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Correct Option: C
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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