Write a quadratic equation with a double root of -5

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Daniel Jennings asked Oct 5, 2022

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Write a quadratic equation with a double root of -5

Mathematics
high-school

Daniel Jennings asked Oct 5, 2022

by Daniel Jennings

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10 votes

Answer:

x² + 10x + 25 = 0

Explanation:

Given that x = - 5 is a root then (x + 5) is a factor

Since it is a double root then (x + 5)² so equation is

(x + 5)² = 0 ← expand factor using FOIL

x² + 10x + 25 = 0

Pablo Martinez answered Oct 7, 2022

by Pablo Martinez

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23 votes

Answer:

x^2 =5

Explanation:

BlackAura answered Oct 11, 2022

by BlackAura

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