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jarptica [38.1K]
3 years ago
5

Which of the following graphs is described by the function given below? y = 2x^2 + 8x +3

Mathematics
2 answers:
Masja [62]3 years ago
8 0

Answer:

A

Step-by-step explanation:

y = 2x² + 8x + 3

Complete the square:

y = 2(x² + 4x) + 3

y = 2(x² + 4x + 4) + 3 - 2(4)

y = 2(x + 2)² - 5

So the vertex is at (-2, -5).  The graph must be Graph A.

Alekssandra [29.7K]3 years ago
3 0

Answer:

The answer is Graph (A.)

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