For the given matrix A, find -A.A = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve using the quadratic formula.x2 + x + 9 = 0
A. 
B. 
C. 
D. 
Mathematics
Round the amount to the nearest cent.$9.8293
A. $9.93 B. $9.829 C. $9.82 D. $9.83
Mathematics
Fill in the blank with one of the words or phrases listed below.
The process of writing a radical expression as an equivalent expression but without a radical in the denominator is called 
the denominator.
A. conjugate B. rationalizing C. principal square root D. like radicals
Mathematics
Graph the function.y = 
A. 
B. 
C. 
D. 
Mathematics