Question: What is the equation of a line with a slope of 2 that passes through the point (1, 1)?
Options:
Correct Answer: y = 2x + 1
Solution:
Using the point-slope form of the equation of a line: y - y1 = m(x - x1), we have y - 1 = 2(x - 1). Simplifying gives y = 2x - 2 + 1, or y = 2x - 1.