Simplify the radical expression. Indicate if the expression is not a real number.
A. - 
B. 
C. - 
D. Not a real number
Answer: D
Mathematics
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Solve the linear equation.9(k + 9) - (8k - 2) = 3
A. 8 B. 80 C. 86 D. - 80
Mathematics
Write the given terms as like radicals, if possible. If any variables exist, assume that they are positive.
, 
A. 4x
, 4y
B. x
, y
C. xy
, y2
D. Not possible
Mathematics
Perform the indicated operation.[ (5x2 - 2x + 7) - (3x2 - 3x - 3) ] - [ (2x2 + 2x - 6) + (-2x2 - 3x + 9) ]
A. 2x2 + 2x + 7 B. 8x2 - 4x + 1 C. -2x2 - 4x + 25 D. 2x2 - 4x + 7
Mathematics
Find the limit.
?
?
A. 1
B. 0
C. 
D. 
E. 
Mathematics