What is the slope of the line passing through (1, 4) and (5, 12)?
A1/2
B1
C2
D4
Answer & Solution
Correct answer: C. 2
Slope = (y₂ − y₁)/(x₂ − x₁) = (12 − 4)/(5 − 1) = 8/4 = 2.
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