You must show your work on each of the following questions.

1. In the following equation, identify the x-intercepts in the graph y = 3x^2 + 19x – 40.

2. The dimensions of Eric’s pool are 9 feet by 7 feet. He wants to build a walkway surrounding the pool so that the square footage of the walkway and pool is 143 square feet. How wide is one side of the walkway? Use the picture below to help you.

3. Provide a unique real world example where quadratic equations might be used.

Question

You must show your work on each of the following questions.

1. In the following equation, identify the x-intercepts in the graph y = 3x^2 + 19x – 40.

2. The dimensions of Eric’s pool are 9 feet by 7 feet.  He wants to build a walkway surrounding the pool so that the square footage of the walkway and pool is 143 square feet. How wide is one side of the walkway? Use the picture below to help you. 

3. Provide a unique real world example where quadratic equations might be used.

anonymous · Answer

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