Question

which of the following is the equation of the line that has a slope of 3 and passes through the point (-1,9)​

Answer 1

y - 9 = 3(x + 1)

Explanation:

Plug in the givens: y - k = m(x - h)

Here m = 3, h = -1 and k = 9, and so:

y - 9 = 3(x + 1) (answer in point-slope form)