Express using positive exponents. Then, if possible, simplify. (-7xy)-1
A. 8xy
B. -7xy
C. 7xy
D. 
Answer: D
Mathematics
You might also like to view...
The graph of an ellipse is given. Find the standard form of the equation of the ellipse. 
A. 
+ 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve by factoring:
A) –4, –1
B) –4, 3
C) –7, –1
D) –4, –3
E) 0, –1
Mathematics
Use the boundedness theorem to determine whether the statement is true or false.The polynomial f(x) = x4 - x3 + 2x2 - 4x - 10 has no real zero less than -1.
A. True B. False
Mathematics
Solve the system of equations.5x + 2y + z = -112x - 3y - z = 177x + y + 2z = -4
A. (3, 0, -4) B. (0, -6, 1) C. (0, 6, -1) D. (-3, 0, 4)
Mathematics