Question: 1. Solve 1 + 3x = 8x2 using Quadratic Formula x = bivbz-4ac (3 marks) 2. A store sells chocolate bars for $2.25. At this

1. Solve 1 + 3x = 8x2 using Quadratic Formula x = bivbz-4ac (3 marks) 2. A store sells chocolate bars for $2.25. At this price, the store sold an average of 120 bars per month. The manager has been told that for every $0.05 decrease in price, 8 more bars are expected to be sold per month. a) Determine a quadratic relation to model this situation. (2 marks) b) How much should the manager charge per chocolate bar to receive maximum revenue? (2 marks)

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