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

Sequences and series: exam review Exam review: second paper Answers

Section A: short questions

    1. (a) 6
    2. (b) -1
    3. (c) 1120
    1. (a) 1278
    2. (b) 11204
    3. (c) week 11
    1. (a) 0.8
    2. (b) 11.3
    3. (c) 270
    1. (a) \(\frac{8}{11}\)
    2. (b) \(-6<x<-4\)

Section B: long questions

    1. (a) \(S_1=6\), \(S_2=15\)
    2. (b) \(u_1=6\), \(u_2=9\), \(d=3\)
    3. (c) 63
    4. (d) n = 32
    5. (e) n = 25
    6. (f) 192
    1. (a) 0.560 m
    2. (b) 9 bounces
    3. (c) 35.04 m
    4. (d) 48 m
    1. (a) shown
    2. (b) \(r=0.3\) or \(r=0.7\)
    3. (c) \(u_1=70\) or \(u_1=30\)
    4. (d) 97.2
    5. (e) n = 13

jmaths.xyz · AI HL · 12.1.11 Unit review