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IB Mathematics: Applications and Interpretation SL · 12.6: Exponents & Logarithms · 12.6.3

Mixed exponent and logarithm practice Problem set B Answers

Skills

    1. (a) x = 1007
    2. (b) x = 24.75
    3. (c) x = 2.48
    1. (a) x = 3
    2. (b) x = 8
    3. (c) \(x=-\tfrac73\)
    1. (a) x = 12.5
    2. (b) x = 3.01
    3. (c) x = 1.10
    1. (a) x = 4
    2. (b) \(x = \frac{5}{2}\)
    3. (c) \(x = \frac{11}{2}\)

In context

    1. (a) 24 000 euros
    2. (b) 16 355.33 euros
    3. (c) t = 6.85 years
    1. (a) 320; 1940
    2. (b) t = 9.16 weeks
    3. (c) 35%

Stretch

  1. x = 5

jmaths.xyz · AI SL · 12.6.3 Mixed exponent and logarithm practice