Inverse Variation (1 of 4: Quick questions)

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You're not even in my country and you're my favorite teacher

demarcoroyes
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Your so nice to your students keep doing what your doing love it!

simonleon
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I would say the mixed numeral answer is better as it tells you straight away what the answer actually is e.g. 5 11/12, and easier to round i.e.very close to 6.

AugustinSteven
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Hello,
Just a quick question,
How can you know instantly that x^2 +3x -10 can be factorised as (x+5)(x-2) please? Thank you very much to anyone who can provide me an answer. Greetings from France

yellow
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Does anyone know if he is a high school teacher?
If not which degree is he teaching?

nevasennevasen