Perform the indicated operations.(4x2 - xy - y2) + (x2 + 5xy + 7y2)
A. 5x2 + 6xy + 8y2
B. 4x2 + 5xy + 7y2
C. 3x2 - 6xy - 8y2
D. 5x2 + 4xy + 6y2
Answer: D
Mathematics
You might also like to view...
Evaluate each expression without using a calculator. Give the result in degrees.sin-1 
A. 60° B. 330° C. 45° D. 30°
Mathematics
Factor the polynomial completely.x2 - x - 72
A. (x + 1)(x - 17) B. (x + 9)(x - 8) C. (x - 9)(x + 9) D. (x + 8)(x - 9)
Mathematics
Determine algebraically whether the function is even, odd, or neither.f(x) = 5x3
A. even B. odd C. neither
Mathematics
Determine if the ordered triple is a solution to the given system.
; (4, -5, 3)
A. Yes B. No
Mathematics