Find the vertex of the parabola. : x² + 4x - 8y + 36 = 0
a. V(6,-1)
b. V(-2,4)
c. V(5,-2)
d. V(-2,-6)
e. V(-2,8)
b. V(-2,4)
Mathematics
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A. function B. not a function
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A. 
B. 
C. 
D. 
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B. 
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