Discussion
Find the equation of the line passing through the point (2, 3) with a slope of 4.
Answer: A
Use the point-slope form.
\[ y - 3 = 4(x - 2) \quad\Longrightarrow\quad y = 4x - 8 + 3 \]
\[ y = 4x - 5 \]
Checking: at \( x = 2 \), \( y = 3 \).
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