A student divided f(x) = 3x + 8x2 + 5x – 4 by x + 2 and found the remainder was r = –6. Based on the remainder theorem, what can be concluded about f(x)? %3D The function f(x) = 3r + 8² +5x - 4 has a zero at -6. The function f(x) = 3r + 8x2 + 5x – 4 has a zero at -2. %3D

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A: Answer is 0 Explanation is given below..

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Q: For

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Q: 2x + 3 x² + 2x + 4

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Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.