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Direct & inverse variation

Direct & inverse variation logoSubject: Mathematics    Exam: NTSE

Chapter Rating: Do If You Have Time

Ideal Level To Achieve: Level 7

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Important Concepts in Direct & inverse variation

Find notes, videos, important points and questions to practice on each of these concepts.

  • Ratio and Proportion

  • Direct Variation

  • Indirect Variation

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Important Points

"F varies as x" means F = kx
"F varies jointly as x and y" means F = kxy
"F varies as x + y" means F = k(x + y)
"F varies inversely as x" means F = k/x

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