Express the rational expression in lowest terms.

A.  
B.  
C. - 
D.  


Answer: D

Mathematics

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Use mathematical induction to prove that the statement is true for every positive integer n.1 + 4 + 7 + . . . + (3n - 2) = 

What will be an ideal response?

Mathematics

Use the quadratic formula to solve the given equation.9x2 + 5x + 2 = 0

A. {}
B. {}
C. {}
D. {}

Mathematics

Solve the equation for x if . ? 

A.
B.
C.
D.
E.

Mathematics

Simplify the following. Indicate if the expression is not a real number.

A. 9 B. -81 C. -9 D. 81

Mathematics