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MATH / If we express x²+4x+5 in the form a(x−h)²+k, then what is h?

Problem

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problem

If we express

x^2 + 4x + 5

in the form

a(x - h)^2 + k

, then what is

h

Plain-text mathematical notation (without MathML)

If we express x²+4x+5 in the form a(x−h)²+k, then what is h?

Original LaTeX notation

If we express $x^2 + 4x + 5$ in the form $a(x - h)^2 + k$, then what is $h$?

level

Level 4

type

Algebra

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task_id: 8701ab5a-4532-5e55-8b65-56f7e45a5542
task_key: algebra--test--8701ab5a-4532-5e55-8b65-56f7e45a5542
task_revision_id: 2
config / split: algebra / test

Official source

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