Factor the sum or difference of two cubes completely.448s3 + 7
A. 7(4s + 1)(16s2 - 4s + 1)
B. 7(4s + 7)(16s2 - 28s + 7)
C. 7(4s + 1)(16s2 + 4s + 1)
D. 7(4s - 1)(16s2 + 4s + 1)
Answer: A
Mathematics
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Make the required change in the given equation.x2 + y2 + z2 = 9 to spherical coordinates
A. ? = 9 B. ? = 0, ? = 0 C. z = 3 D. ? = 3
Mathematics
Complete the square to write the equation in the form 
- 
= 1 or 
- 
= 1. x2 - y2 - 6x + 6y - 1 = 0
A. 
- 
= 1
B. (x - 3)2 + (y - 3)2 = 1
C. (y - 3)2 - (x - 3)2 = 1
D. (x - 3)2 - (y - 3)2 = 1
Mathematics
Divide and express the result in standard form.
A. - 
- 
i
B. 
+ 
i
C. - 
- 
i
D. 
+ 
i
Mathematics
Perform the indicated operations.(x3 + 5xy - 7y2) - (8x3 + 7xy + y2)
A. 9x3 - 2xy - 8y2 B. -7x3 - 2xy - 6y2 C. 7x3 + 2xy - 6y2 D. -7x3 - 2xy - 8y2
Mathematics