Explain what the slope and intercept mean in each situation. A graph represents the perimeter, y, in units, for an equilateral triangle with side length x units. The slope of the line is 3 and the y-intercept is 0.
The amount of money, y, in a cash box after x tickets are purchased for carnival games. The slope of the line is 14 and the y-intercept is 8.
The number of chapters read, y, after x days. The slope of the line is 54 and the y-intercept is 2.
The graph shows the cost in dollars, y, of a muffin delivery and the number of muffins, x, ordered. The slope of the line is 2 and the y-intercept is 3.