Answered

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What is the vertex of the parabola?
y - 3 = 1/2 (x + 5)²
( __ , __ )

Sagot :

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Answer:

(-5,31/2)

Step-by-step explanation:

open bracket

y=1/2x^2+5x+28

compare with y=ax2+bx+c

use formula (-b/2a,4ac-b2/4a)

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