If a line passing through \((2,-3)\) has a slope of 5, find its y-intercept.
– 13
13
– 10
10
Correct answer: – 13
Solution
For a line with slope 5, the equation is \(y = 5x + c\). Since it passes through \((2,-3)\), substitute to get \(-3 = 5(2) + c\), so \(c = -13\). Thus, the y-intercept is -13.