Use your calculator to perform each calculation and observe the answers. Use inductive reasoning to determine which statement is true. 
; 
; 
; 
A. An even root of a negative number can be either positive or negative.
B. An even root of a negative number is undefined.
C. An even root of a negative number is negative.
D. An even root of a negative number is positive.
Answer: B
Mathematics
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- 
= 1
A. y = 
x, y = - 
x
B. y = 
x, y = - x
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x, y = - x
D. y = 
x, y = - 
x
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= 8. Find 
and 
.
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