Question

What is the equation in point slope form of the part of a line passing through (-1, 3) and (1,7)

Answer 1

`y - 3 = 2(x + 1)}`

Explanation:

`y - y_1 = (y_2 - y_1)/(x_2 - x_1)(x - x_1)}`

`y - 3 = (7 - 3)/(1 - (-1))(x - (-1))}`

`y - 3 = (4)/(2)(x + 1)}`

`y - 3 = 2(x + 1)}`