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A student knows one point on a line and its slope, and wants the equation. She should use the:
AMidpoint formula
BDistance formula
CPoint-slope formula
DQuadratic formula
Answer & Solution
Correct answer: C. Point-slope formula
1. One point and the slope are given.
2. That pair is exactly what the formula needs.
3. It is the point-slope formula.
_Source: OpenStax College Algebra 2e, Chapter 2, Equations and Inequalities._
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