Factor completely.x2 + 7xy - 144y2

A. (x - 16y)(x + y)
B. (x + 16y)(x - 9y)
C. prime
D. (x - 16y)(x + 9y)


Answer: B

Mathematics

You might also like to view...

Perform the indicated operations.8 ? (-1)2

A. -8 B. 8 C. 16 D. -16

Mathematics

Reduce 36in^2 to ft^2

What will be an ideal response?

Mathematics

A small country consists of four states. The population of State A is 44,800, the population of State B is 52,200, the population of State C is 49,200, and the population of State D is 53,800. The total number of seats in the legislature is 100.Using a divisor of D = 1950, the modified quotas (to two decimal places) are

A. State A: 22.40; State B: 26.10; State C: 24.60; State D: 26.90. B. State A: 22.58; State B: 26.67; State C: 24.93; State D: 27.28. C. State A: 22.97; State B: 26.77; State C: 25.23; State D: 27.59. D. State A: 22.74; State B: 26.86; State C: 25.12; State D: 27.43. E. none of these

Mathematics

Solve the problem.The angle of elevation from a point on the ground to the top of a tower is 39° 16'. The angle of elevation from a point 114 feet farther back from the tower is 24° 38'. Find the height of the tower. Round to the nearest foot.

A. 115 ft B. 1190 ft C. 130 ft D. 119 ft

Mathematics