The minimum point of a quadratic graph in the form y = x2 + ax + b is (−2, −10). Find a and b.

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16 votes

The minimum point of a quadratic

graph in the form y = x2 + ax + b is
(−2, −10).
Find a and b.

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20 votes

Answer:

x² + 4x - 6

Explanation:

→ Write coordinates in completed square form

( x + 2 )² - 10

→ Expand out

x² + 4x + 4 - 10

→ Simplify

x² + 4x - 6

Clerenz answered Dec 24, 2023

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