Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.y = -(x + 3)2 + 5
A. (-3, 5), down
B. (5, -9), up
C. (-5, 3), down
D. (5, -3), up
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Find the area of the shaded region.y = x2 - 4x + 3
A. 
B. 3
C. 
D. 
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Simplify the power of i.i-47
A. 1 B. -i C. i D. -1
Mathematics
Factor the expression completely, if possible.196x2 - 36y2
A. (28x - 12y)(7x + 3y) B. (7x - 3y)(28x + 12y) C. 4(7x - 3y)(7x + 3y) D. Does not factor
Mathematics