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IB Mathematics: Applications and Interpretation HL · 12.1: Sequences & Series · 12.1.11

Sequences and series: exam review Exam review Answers

Section A: short questions

    1. (a) 4
    2. (b) 11
    3. (c) 980
    1. (a) 1642
    2. (b) 18031
    3. (c) month 15
    1. (a) 0.75
    2. (b) 5.34
    3. (c) 160
    1. (a) \(\frac{4}{11}\)
    2. (b) \(2<x<4\)

Section B: long questions

    1. (a) \(S_1=8\), \(S_2=22\)
    2. (b) \(u_1=8\), \(u_2=14\), \(d=6\)
    3. (c) 122
    4. (d) n = 24
    5. (e) n = 20
    6. (f) 781.25
    1. (a) 2.37 m
    2. (b) 11 bounces
    3. (c) 36.25 m
    4. (d) 70 m
    1. (a) shown
    2. (b) \(r=0.2\) or \(r=0.8\)
    3. (c) \(u_1=60\) or \(u_1=15\)
    4. (d) 66.9
    5. (e) n = 20

jmaths.xyz · AI HL · 12.1.11 Unit review