Determine the vertex of the graph of the parabola.y = x2 + 2x - 3

A. (- 1, 4)
B. (- 1, - 4)
C. (1, - 4)
D. (1, 4)

Answer: B

Mathematics

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A. x = - 
B. x = 
C. x = 0
D. None

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Evaluate.dx

A. 5
B.
C.
D. 25

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Find the absolute value.

A. 0 B. does not exist

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Find the angle between v and w. Round your answer to one decimal place, if necessary.v = 3i,w = j

A. 180° B. 0° C. 90° D. 270°

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