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Browning
22 January, 00:34
Write y = 2x2 + 8x + 3 in vertex form.
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Marley Monroe
22 January, 01:54
0
y = 2 * (x + 2) ² - 5
Step-by-step explanation:
y = 2 * x² + 8x + 3 v (h, k)
y = 2 (x-h) ² + k = 2x² - 4xh + 2h² + k
8x = - 4xh h = - 2
2h² + k = 3
8 + k = 3 ∴ k = - 5
Vertex form : y = 2 * (x + 2) ² - 5
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Leila Ball
22 January, 02:54
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y=2 (x+2) ^2-5
Hope this is right.-.
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