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Grade 12 – Worked Solutions For Paper 1 – October 2022.pdf

Grade-12-Revision-Session-for-PAPER-1-worked-solutions.pdf
Preview of Grade 12 – Worked Solutions for Paper 1 – October 2022
🔗 Source: simi.education
📊 Size: 1.18 MB
👤 Author: Paul de Wet
⬇️ Downloads: 166

Summary

Grade 12 Paper 1 Revision Session on 29th October 2022 covers various math problems, including solving equations, quadratic sequences, and geometric series.

The session starts with solving equations for x, including:
- 2x^2 + 7x + 6 = 0, with solutions x = -1 or x = -3
- 3x^2 - 7x - 2 = 0, with solutions x = 2 or x = -1/3
- x^2 - 3x + 1 = 0, with solutions x = (3 ± √5)/2
- x^3 - 3x^2 + 200 = 0, with solution x = 4.6 (approximately)
- x^2 + 4x - 3 = 0, with solutions x = -2 ± √7

The session also considers the equation x^2 + px - 3 = 0 and asks for values of p for non-real roots (p < -8/9) and unequal rational roots (p = 8/9, for example).

Additionally, the session covers:
- Simplifying expressions with positive exponents and rational denominators
- Expressing given expressions in terms of p and q
- Calculating distances swum by Mvelwenhle on the 15th day (450m) and the day his total distance equals 15km (approximately the 32nd day)
- Determining whether a frog will safely reach a lake 2.7m away (it won't)
- Finding k in a quadratic sequence (2, 6, 3, 5, 30), with k = 3.

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Description

Grade 12 Paper 1 Revision Session on 29th October 2022 covers various math problems, including solving equations, quadratic sequences, and geometric series.

Technical Information

  • File Format: PDF
  • File Size: 1.18 MB
  • Pages: 20
  • Language: EN
  • Author: Paul de Wet
  • Total Downloads: 166
  • Last Updated: 1 month ago

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