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May 03, 2017 y = 4x - 1 y = -x + 4 May 03, 2017 Find the point of intersection of the lines. What does this point represent? - It represents the number of guests (150) at which the cost of renting either hall is the same. (Having 150 guests costs $4500 at both Hall 1 and Hall 2) Which hall should you rent if you are having 50 guests? Why? We should choose Hall 1 because it is cheaper (only $1500 compared to $2500 for Hall 2) Which hall should you rent if you are having 150 guests? Why? Either one because the cost is the same ($4500). What about 250 guests? We should choose Hall 2 because it is cheaper for more than 150 guests. May 03, 2017 Example 2: FunNGames Video rents game machines for $10 and video games for $3 each. Big Vid rents game machines for $7 and video games for $4 each. For each store, let y represent the total rental cost and x the number of games rented. a) Write an equation to represent the total cost for a rental from FunNGames video. b) Write an equation to represent the total cost for a rental from Big Vid. c) Find the point of intersection. FunNGames Big Vid d) What does this point of intersection represent? It represents the point at which the rentals cost the same ($19) at both rental companies. May 03, 2017 HOMEWORK ASSIGNMENT Linear Systems Chapter Assignment #1 Solving Linear Systems by Graphing - DUE TOMORROW!