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Mississauga Convention Centre or Grand Banquet Hall?
Equations and what they mean.
Plan B: C=20p+100
In both equations we see that there are two variables: C and p. C represents the total cost of the occasion and p represents the number of people.
Plan A and B are both partial variations because they have a straight up cost $150 and $100.
Plan B charges double for each person compared to Plan A.
Plan A: y=10x+150. In this situation, m (slope) is 10 and y-intercept is 150.
Plan B; y=20x+100. In this situation, m (slope) is 20 and y-intercept is 100.
Plan A: 10x-y+150=0
Plan B: 20x-y+100=0
Plan A Graph
Plan B Graph
POI means point of intersection and this tells us where the two points of the graph meet. This means that their y values will be the same.
POI of the equations
Substitute this into the equation
(5,200) are the coordinates for the POI where 5 represents x and 200 represents y.