Solve the equation.20d2 + 41d + 20 = 0
A. 
B. 
C. 
D. 
Answer: D
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Graph the linear equation.
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Choose the most reasonable measurement for the situation described.Since the Chin's are buying new furniture, they measured the length of their bedroom wall. Choose the most reasonable measurement.
A. 5.4 km B. 5.4 mm C. 5.4 cm D. 5.4 m
Identify the equation as a parabola, ellipse, or circle.13y = 4(x + 5)2
A. Ellipse B. Circle C. Parabola D. None of the above
Solve the problem.Beaufort Canal has a semi-elliptical cross section with a width W = 64 feet and a depth D = 13 feet (see figure). The keel on Sasha's yacht rides 4 feet below the water line at the keel's deepest point. If the yacht travels parallel to the canal, and assuming the canal is completely full of water, how close can Sasha bring the yacht's centerline to the edge of the canal without running aground? (The keel is the very bottom of a boat hull and runs directly below the boat's centerline from front to back.)
A. 4 ft B. 3 ft C. 25 ft D. 7 ft