Linear Functions

A skill of Mathematics in Central Test — Third Intermediate. Practise it with explained questions, and review your mistakes until you master it.

Skill lessons

  • نماذج محلولة: معادلة المستقيم والميل
    أمثلة محلولة على معادلة المستقيم من نقطتين، وقيمة الدالة، ومعنى الميل، والمستقيمات المتوازية والمتعامدة.
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Solved examples

Pick your answer, then open the solution to see the right answer and its explanation.

Example 1
أي المستقيمين متعامدان؟
  1. A‪ص‎ = 2س‎ + 1‬ و ‪ص‎ = −س‎/2 + 3‬
  2. B‪ص‎ = 2س‎ + 1‬ و ‪ص‎ = 2س‎ − 3‬
  3. C‪ص‎ = س‎‬ و ‪ص‎ = س‎ + 4‬
  4. D‪ص‎ = 3س‎‬ و ‪ص‎ = −3س‎‬
Show the solution

Correct answer: A

حاصل ضرب ميليهما ‪2 × (−1/2) = −1‬ فهما متعامدان.

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