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A line passes through (1, 2) and (4, 8). Its slope is:
A1
B2
C3
D6
Answer & Solution
Correct answer: B. 2
1. Change in y is 8 minus 2, which is 6.
2. Change in x is 4 minus 1, which is 3.
3. The slope is 2.
_Source: OpenStax College Algebra 2e, Chapter 2, Equations and Inequalities._
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