Target Mathematics
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Course

  • Add Math 0606
  • FPM 4PM1

Add Math 0606 topics

  • 1. Functions55
  • 2. Simultaneous equations and quadratics34
  • 2. Quadratic functions35
  • 3. Factors and polynomials61
  • 4. Equations, inequalities and graphs127
  • 5. Logarithmic and exponential functions86
  • 6. Straight-line graphs107
  • 7. Coordinate geometry of the circle6
  • 8. Circular measure68
  • 9. Trigonometry180
  • 10. Permutations and combinations55
  • 11. Series99
  • 12. Calculus — Differentiation 185
  • 13. Vectors51
  • 14. Calculus — Differentiation 261
  • 15. Calculus — Integration92
  • 16. Kinematics42
  • Indices and surds39

Study tools

  • Add Math 0606 overview
  • Formula summary
Additional Mathematics 0606 / Logarithmic and exponential functions / 2.4

2.4: Log equation with base 5

0606/21/O/N/17 — Question 3 · 4 marks · Log laws, Equations

· ·
Solve the equation log⁡5(10x+5)=2+log⁡5(x−7)\log_{5}(10x + 5) = 2 + \log_{5}(x - 7)log5​(10x+5)=2+log5​(x−7).
[4]
← 1.10: Single logarithm and a quadratic in log a 5 (repeat)2.12: Equation with fractional indices →
Target Mathematics · Topic questions and official mark schemes