Modeling with Quadratic Equations Answers
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1
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A sporting goods store uses quadratic equations to monitor the daily cost and profit for various items it sells. The store’s daily profit, y, when soccer balls are sold at x dollars each, is modeled by . Why is there an interval over which the graph decreases?
A
If the store sells more soccer balls, they can decrease the price.B
If the soccer balls are returned for a refund, the store will lose money.C
If the soccer balls are too expensive, fewer will be sold, reducing profit.2
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The table shows some values that satisfy the quadratic equation. Which of the following is a true statement?
A
If the store charges $5 per soccer ball, it can expect to sell 170 of them.B
If the store charges $8 per soccer ball, it makes a daily profit of $236.C
If the store sells 12 soccer balls, it makes $156 in profit.D
The greater the selling price, the greater the profit.Did you find these answers helpful?
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