Answer:
Line1: y = -2 * x + 1
line2: y = 2 * x + 1
Explanation:
y = mx + b
y interception (b) for line1 and line2 are 1
slope of line1 (m1) = (y-y') / (x-x') = (3-1) / (-1-0) = -2
slope of line2 (m2) = (y-y') / (x-x') = (3-1) / (1-0) = 2
Line1: y = -2 * x + 1
line2: y = 2 * x + 1