ktgatson7093 ktgatson7093

05-12-2018
Mathematics

contestada

Complete the square to rewrite y=x^2-6x+15 in vertex form then state whether the vertex is a maximum or minimum and give its coordinates

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tramserran tramserran

05-12-2018

Answer: y = (x - 3)² + 6, vertex is a minimum (3, 6)

Step-by-step explanation:

y = x² - 6x + 15

-15 -15

y - 15 = x² - 6x

y - 15 + 9 = x² - 6x + 9

↑ ↓ ↑

[tex]\frac{-6}{2}[/tex] = -3, (-3)² = 9

y - 6 = (x - 3)²

y = (x - 3)² + 6

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briajade23 briajade23

17-12-2020

Answer: minimum at (3,6)

Step-by-step explanation: a p e x

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