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Ivahew [28]
3 years ago
7

What are the coordinates of the vertex of y=x²+4x+3?​

Mathematics
1 answer:
Travka [436]3 years ago
4 0

Answer:

(-2, -1).

Step-by-step explanation:

y = x² + 4x + 3

Completing the square:

y = (x + 4/2)^2 - (4/2)^2 + 3

y = (x + 2)^2 - 4 + 3

y = (x + 2)^2 - 1.

This is vertex form and the coordinates of the vertex are (-2, -1).

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