Find the vertex by completing the square.y = -x2 + 16x - 50
A. (8, 14)
B. (8, -242)
C. (-8, -242)
D. (-8, 14)
Answer: A
Mathematics
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Find the slope of the line.
A. 3 B. -3 C. -1 D. 1
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Graph the ellipse.16x2 + 64y2 = 1024
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.-8n = -56
A. -48 B. 48 C. 2 D. 7
Mathematics
Evaluate the expression for the given value or values.-7x2 - 2x + 4 for x = -2
A. -24 B. -20 C. 22 D. -30
Mathematics