Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + x

A. 0; 2
B. 2
C. 81; 2
D. 2


Answer: B

Mathematics

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Fill in the blank(s) with the appropriate word(s).

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Simplify by writing the expression using only positive exponents.

A.
B.
C.
D. 5a7b8

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Find the absolute value. 

A.  
B. -  
C. 0
D.  

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Use a calculator to approximate the exponential expression to six decimal places.e2/3

A. -0.405465 B. 0.405465 C. -1.947734 D. 1.947734

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