What value in place of the question mark makes the polynomial below a perfect square trinomial?9x2 + ?x + 49A.126B.21C.63D.42SUBMITarrow_backPREVIOUS
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Solution 1
The polynomial is a perfect square trinomial if it can be written in the form (ax+b)^2.
The general form of a perfect square trinomial is a^2 + 2ab + b^2.
Given the trinomial 9x^2 + ?x + 49, we can see that a^2 = 9x^2 and b^2 = 49.
Taking the square root of a^2 and b^2, we get a = 3x and b = 7 Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solv
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