Slide 2:
EX Write an equation of the line through (-2, 5) and (4, 8). (x1, y1)
(-2, 5) (x2, y2)
(4, 8) y = mx + b (-2, 5)
( x, y) y = mx + b
Slide 3:
EX Write an equation of the line shown. (-1, -1) (2, 1) (x1, y1)
(-1, -1) (x2, y2)
(2, 1) y = mx + b (-1, -1)
( x, y)