Factor the sum or difference of two cubes.x3 - 27
A. (x + 3)(x2 - 3x + 9)
B. (x - 3)(x2 + 3x + 9)
C. (x + 27)(x2 - 1)
D. (x - 3)(x2 + 9)
Answer: B
You might also like to view...
Use mathematical induction to prove the statement is true for all positive integers n.8n > n
What will be an ideal response?
Solve the problem.Two hikers on opposite sides of a canyon each stand precisely 525 meters above the canyon floor. They each sight a landmark on the canyon floor on a line directly between them. The angles of depression from each hiker to the landmark meter are 37° and 21°. How far apart are the hikers? Round your answer to the nearest whole meter.
A.
| 2063 m |
B. 2065 m
C. 1064 m
D. 2064 m
What is the measure of the angle formed by the hands of a clock at exactly 4:20 PM?
A. 30° B. 33° C. 35° D. 10°
Use an analytic method to solve the equation. (x2 - 24)1/2 = (x + 6)1/2
A. {6} B. {24, 6} C. {-5, 6} D. ?