Solve the following quadratic equation by completing the square. Make sure your answer is simplified completely. If there are no real solutions, so state.9x2 + 3x - 6 = 0
A. x = 0 or x = 
B. x = -1 or x = 
C. x = -1 or x = 
D. x = 
or x = 1
Answer: B
Mathematics
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Evaluate.cos(sin-1 0.3746)
A. 0.9272 B. 1.0785 C. -2.4751 D. 0.3746
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The scores on a 30-point multiple-choice exam are given in the following frequency table:
The interquartile range on the exam is
A. 4. B. 2.5. C. 3.5. D. 3. E. none of these
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Subtract.
A. 0 B. 16 C. 10 D. Not defined
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For the given Cartesian equation, write an equivalent polar equation.x = 5
A. r = 5 sin ? B. r = 5 sec ? C. r = 5 cos ? D. r = 5 csc ?
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