Simplify.Add 8x2y - 7xy + 9 and -7x2y + 12xy - 11
A. 15x2y + 19xy + 20
B. 5x3y2 - 2
C. x2y + 5xy - 2
D. -x2y - 19xy + 20
Answer: C
Mathematics
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Simplify by factoring. Assume that any variable in a radicand represents a positive real number.
A. x2 + 9
B. (x + k)2
C. (x + k)2
D. (x + k)
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Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
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Determine whether B is the inverse of A.A = 
, B = 
A. Yes B. No
Mathematics
Evaluate the integral.
dx
A. 3e4 + 1 B. 3e4 - 1 C. 3e4 D. 5e4 + 1
Mathematics