Q 9 In this equation A B means A raised to the power B If x y 2 z 0

In this equation, A^B means A raised to the power B. If x*(y^2)*z < 0, then which one of the following statements must also be true?
I. x*z
11 years agoHelpfull: Yes(9) No(4)

x and z < 0
10 years agoHelpfull: Yes(4) No(3)
answer will be C.I and II
since y^2 cannot be negative or
11 years agoHelpfull: Yes(3) No(2)
II. z < 0 III. x*y*z < 0
A. None of the other 3 choice
B. III only
C. I and II
D. D. I only
11 years agoHelpfull: Yes(2) No(2)
C.I and II,,,the value of z should be negative because whatever the value of y it will become positive after squaring it,,so x or z should be a negative value,,option I says either x or z is negative,,option II says z is negative so options combine to make it correct
11 years agoHelpfull: Yes(1) No(0)
x*z
9 years agoHelpfull: Yes(1) No(0)
x*z
11 years agoHelpfull: Yes(0) No(3)

Q. 9 In this equation, A^B means A raised to the power B. If x(y^2)z < 0, then which one of the following statements must also be true?
I. x*z