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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Solve the initial value problem. = 5 - 3x, y '(0) = 8, y(0) = 2
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
Mathematics
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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