Solve the equation by completing the square.x2 + 3x - 9 = 0

A.
B.
C. {-3 ± 3}
D.


Answer: A

Mathematics

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Find the arc length parameter along the curve from the point where t = 0 by evaluating r(t) = (4 + 2t)i + (8 + 3t)j + (3 - 6t)k

A. 7t B. 5t C. 8t D. 9t

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Convert the improper fraction into a mixed number in lowest terms.

A. 12
B.
C. 14
D. 13

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Solve the equation.5x2 = 35x - 60

A. -4, -3, 0 B. 0, 3, 4 C. -4, -3 D. 3, 4

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The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the hypotenuse.9, 12, 15

A. right triangle; 12 B. right triangle; 15 C. right triangle; 9 D. not a right triangle

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