Section 3.2: Explore Horizontal & Vertical Lines
#1) Slide the purple line left & right. What do you notice about the coordinates?
Slide the blue line up & down. What do you notice about the coordinates?
#3) Slide the red and blue slides all the way to the right. Move the y-intercept up and down. What do you notice about the equation of the line?
#4) Side the y-intercept up & down. What do you notice about the slope of the line? How does this affect how we would write the equation of the line?