Find the real solutions, if any, of the equation. Use the quadratic formula and a calculator. Express any solutions rounded to two decimal places. Use 3.14 to approximate ?.?x2 + ?x - 9 = 0

A. {-2.27, -1.27}
B. {-2.27, 1.27}
C. {-1.27, 2.27}
D. {1.27, 2.27}


Answer: B

Mathematics

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A. y = 2
B. y = x2 + x3 - 8x - 2
C. y = x2 - x3 + 8x + 2
D. y = 5x2 + 3x3 + 8x + 2

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Use the integral test to determine whether the series converges.

A. converges B. diverges

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Subtract.861 - 208

A. 663 B. 637 C. 653 D. 753

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Find the product of the complex number and its conjugate.9 - 2i

A. 85 B. 11 C. 7i D. 7

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