Seth’s father is thinking of buying his son a six-month movie pass for $25. With the pass, movies cost $2
Write a linear equation to represent the total cost spent of Seth seeing movies for the next 6 months.


  1. Answer:   y = 2x+25

    x = number of movies
    y = total cost
    The starting cost is $25, which is the amount spent even if no movies are watched.
    Since x is the number of movies, and each costs $2, this means Seth spends an extra 2x dollars more on top of the $25 already spent.
    In total, the cost is 2x+25 which leads to y = 2x+25
    This linear equation is in slope intercept form y = mx+b
    m = 2 = slope
    b = 25 = y intercept


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