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The vertex form of the equation of a parabola is y = (x + 3)2 + 53. 
What is the standard form of the equation? 
A.y = x2 + 53x + 42 
B.y = x2 + 6x + 62 
C.y = x2 + 3x + 53 
D.y = 6x2 + 9x+ 62

Sagot :

AndyBryer
We need to expand the bracket and then simplify, therefore:
y=x²+6x+62 so B is your answer
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