Solve the quadratic equation by the method of your choice.3x2 - 48 = 0
A. {-4, 4}
B. {0}
C. {-4
, 4
}
D. {-3, 3}
Answer: A
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Solve the problem.A rug is to fit in a room so that a border of even width is left on all four sides. If the room is 19 feet by 23 feet and the area of the rug is 285 square feet, how wide will the border be?
A. 3 ft B. 4.5 ft C. 2 ft D. 4 ft
Graph the function. State the domain and range.y = x2 - 4x + 4
A. 
Domain: ? Range: y ? 0
B. 
Domain: x ? 0 Range: ?
C. 
Domain: ? Range: ?
D. 
Domain: ? Range: y ? 0
A mail truck must deliver packages to 5 different homes (A, B, C, D, and E). The trip must start and end at A. The graph below shows the distances (in miles) between locations. We want to minimize the total distance traveled.
Using both the cheapest-link and the repetitive nearest-neighbor algorithm, the length of the shortest trip we can find (without using brute force) is:
A. 57 miles. B. 28 miles. C. 58 miles. D. 68 miles. E. none of these
Solve the problem.A car wheel has a 14-inch radius. Through what angle (to the nearest tenth of a degree) does the wheel turn when the car rolls forward 3 ft?
A. 157.3° B. 152.3° C. 162.3° D. 147.3°