Faheem wants to write equations in the form y = mx + b for the lines passing through point P that are parallel and perpendicular to line t. First he finds the slopes of these 2 lines. What could he do next to find the y-intercepts?

1. statement- ca is parallel to db and e is the midpoint of ad reason- given2. statement- reason- alternate interior angles3. statement- de is congruent to ae reason- definition of midpoint4. statement- triangle aec is congruent to triangle deb reason- asa (angle side angle)