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QUADRATIC WORD PROBLEMS
LESSON 7 – 4 MATH III
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Parts of a Graph
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Height and Velocity A goalie kicks a soccer ball in the air with an upward velocity of 65 feet per second. The ball is kicked when it is one foot off the ground.
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Height and Velocity A rollercoaster takes riders straight up, and then returns straight down. The initial velocity of the coaster is 185 feet per second, and the coaster leaves from ground level.
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Height and Velocity A golf ball is struck and reaches an initial velocity of 60 feet per second. The tee’s height was 3 feet above the fairway.
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Height and Distance A bridge’s height is a function of the length (x) of the bridge. h(x) = -0.5x x
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Profit and Sales The profit p of a company that has spent x dollars on advertising. p(x) = -5x x p(x) = -26x x
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Area The area of the back yard, including the pool and concrete sidewalk is 120 yd2.
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Area The length of a photograph is 3cm less than twice the width. It’s area is 77cm2. Find the dimensions of the photo.
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