Determine whether the matrices in each pair are inverses of each other.
, 
A. No
B. Yes
Answer: A
Mathematics
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Rationalize the denominator. Assume that all variables represent positive values.
A. 
B. 
C. 
D. 
Mathematics
Determine the symmetries of the curve.r = 
A. y-axis only B. No symmetry C. x-axis, y-axis, origin D. x-axis only
Mathematics
Write as the sum and/or difference of logarithms. Express powers as factors.logbyz7
A. logby + logb7z B. logby + 7logbz C. 7logby + 7logbz D. 7logbyz
Mathematics
Find the numerical value of the expression for the given value.
, x = -2
A. - 4
B. 
C. 4
D. - 
Mathematics