Find the vertex, the focus, and the directrix of the parabola.y = x2 + 10x + 26
A. V: (-5, 1); F 
; D: y = 
B. V: (-5, 1); F 
; D: x = 
C. V: (-5, 1); F (-5, 2); D: y = 0
D. V: (-5, 1); F 
; D: y = 
Answer: A
Mathematics
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What will be an ideal response?
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Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
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Use the information given in the figure.
How many are in B or C?
A. 51 B. 56 C. 48 D. 6
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Graph the quadratic equation by finding and plotting ordered pair solutions.y = 
x2
A. 
B. 
C. 
D. 
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