Find Two Real Numbers B Such That the Expression $x ^ { 2 } + b x + 196$

question 144

Multiple Choice

Find two real numbers b such that the expression $x ^ { 2 } + b x + 196$ is a perfect square trinomial.

• A) \(\pm 14\)
• B) \(\pm 15\)
• C) \(\pm 42\)
• D) \(\pm 196\)
• E) \(\pm 28\)

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Definitions:

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