Question

How would you find the slope of this line and write an equation for it?

Answer 1

Given the points:

A (-1, 3) and B (0, 4)

slope - intercept form of an equation: y = mx + b.

$m\text{ = }\frac{y_2-y_1}{x_2-x_1}$$m\text{ = }\frac{4-3}{0\text{ + 1}}=\text{ 1}$

Now, to find b, we can replace one point in the slope- intercept form:

4 = 1 x 0 + b

b = 4

Slope- intercept equation: y = x + 4