Answer:
y = x + 3
Explanation:
Slope = (change in y values) / (change in x values)
= (4 - 2) / (1 - -1)
= 2 / (1 + 1)
= 2/2
= 1.
equation is ) y – y1 = m (x – x1), where y1 and x1 are the coordinates of a given point.
y - 4 = 1(x - 1)
y - 4 = x - 1
y = x - 1 + 4
y = x + 3