Question

Plot the y-intercept on the graph.

A music school charges a registration fee in addition to a fee per lesson. Music lessons last 0.5 hour. The equation y = 40x + 30 represents the total cost of y of x lessons. Find and interpret the slope and y-intercept of the line that represents this situation. Then find four points on the line.​

Answer 1

y intercept is 30 and slope is 40

Answer 2

y intercept = 30

slope = 40

four points on the line would include..

(0, 30)

(1, 70)

(3, 150)

Explanation:

y = mx + b