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 / Logarithms and Exponents / 2.17

2.17: Exponential equation solved to 2 decimal places

0606/23/M/J/17 — Question 1 · 3 marks · Exponentials, Equations

· ·
(a)
Solve the equation 72x+5=2.57^{2x + 5} = 2.572x+5=2.5, giving your answer correct to 222 decimal places.
[3]
← 2.16: Bacteria model with constants P and Q — parts (b), (c)2.18: Equation with e^3x and e^x →
Target Mathematics · Topic questions and official mark schemes