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Determine the Constant That Should Be Added to the Binomial x2+49xx ^ { 2 } + \frac { 4 } { 9 } x

Question 98

Multiple Choice

Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write
and factor the trinomial.
- x2+49xx ^ { 2 } + \frac { 4 } { 9 } x


A) 481;x2+49x+481=(x+29) 2\frac { 4 } { 81 } ; x ^ { 2 } + \frac { 4 } { 9 } x + \frac { 4 } { 81 } = \left( x + \frac { 2 } { 9 } \right) ^ { 2 }
B) 281;x2+49x+281=(x+29) 2\frac { 2 } { 81 } ; x ^ { 2 } + \frac { 4 } { 9 } x + \frac { 2 } { 81 } = \left( x + \frac { 2 } { 9 } \right) ^ { 2 }
C) 881;x2+49x+881=(x+49) 2\frac { 8 } { 81 } ; x ^ { 2 } + \frac { 4 } { 9 } x + \frac { 8 } { 81 } = \left( x + \frac { 4 } { 9 } \right) ^ { 2 }
D) 49;x2+49x+49=(x+29) 2\frac { 4 } { 9 } ; x ^ { 2 } + \frac { 4 } { 9 } x + \frac { 4 } { 9 } = \left( x + \frac { 2 } { 9 } \right) ^ { 2 }

Correct Answer:

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