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Mathematics, 04.05.2020 22:55 ParallelUniverse

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Sarah wants to hang a mirror in her room. The mirror and frame must have an area of 15 square feet. The mirror is 3 feet wide and 4 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?

3x2 + 14x − 2 = 0

4x2 + 14x − 3 = 0

x2 + 12x − 14 = 0

2x2 + 7x − 14 = 0

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Answers: 3

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