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13.10.2019 •
Mathematics
Complete the square and graph: 4y^2+x+8y+1=0
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Ответ:
The answer to your question is:
Step-by-step explanation:
4y² + x + 8y + 1 = 0
4y² + 8y = - x - 1
4(y² + 8y ) = - x - 1
(y² + 2y ) = -1/4 x - 1/4
(y² + 2y + 1) = -1/4 x - 1/4 + 1
(y² + 2y + 1) = -1/4 x + 3/4
(y + 1) ² = -1/4 (x - 3)
Vertix ( 3, -1)
It's a parabola that opens to the left.
Ответ: