Graph the equation and give the coordinates of the vertex.y = -4x2 - 40x - 97
A. (5, 3)
B. (-3, 5)
C. (3, -5)
D. (-5, 3)
Answer: D
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Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (-25, 0), (25, 0); F: (-20, 0), (20, 0) B. V: (0, -25), (0, 25); F: (0, -20), (0, 20) C. V: (0, -25), (0, 25); F: (0, -15), (0, 15) D. V: (-25, 0), (25, 0); F: (-15, 0), (15, 0)
The population ?N of a certain state today is 16.7 million people. The average rate of change for N is -0.16 million people per year. Use these facts to estimate the population of the state 6 years from now. ?
A. 16.7 million people B. 18.66 million people C. 15.74 million people D. none of the above
Provide an appropriate response.Subtract: 5 h 20 min - 3 h 30 min
A. 2 h 10 min B. 2 h 50 min C. 1 h 90 min D. 1 h 50 min E. none of the above
Find the average of the numbers.7, 1, 5, -3, 10
A. 4 B. 7 C. 3.3 D. 5