Apps. and Interpretation for IBDP Maths Ebook 1 | Page 366

Your Practice Set – Applications and Interpretation for IBDP Mathematics
Answers
Chapter 1
Exercise 1
1.1 (a)
(b)
1.2 (a)
(b)
1.3 (a)
(b)
1.4 (a)
(b)
Chapter 2
Exercise 2
3
5.43�
10 cm
6 2
2.35�
10 cm
4
1.52�
10 cm
7 2
2.49�
10 cm
3
4.11�
10 cm
3
6.85�
10 cm
4
8�
10 cm
4
8.04�
10 cm
2.1 (a) 2.8125
(b) 2.81
(c) 2.805 �B
� 2.815
(d) 0.978%
2.2 (a) 17.964 cm
(b) The upper bound is 5.35 cm
The lower bound is 5.25 cm
(c) 0.200%
2.3 (a)
3
1007.881875 cm
(b) The upper bound is 7.5 cm
The lower bound is 6.5 cm
(c) 0.0117%
2.4 (a) 37.5006 km
(b) 37.495 km �L
� 37.505 km
(c) 0.0197%
Chapter 3
Exercise 3
3.1 (a) (i) 3
(ii) � 4
(b) Refer to solution
3.2 (a) (i) 3
(ii) 4
(b) Refer to solution
(c) When the displacement of the
particle is � 2 , its velocity is
0
3.3 (a) Refer to solution
(b) � 1
(c) 0
(d) � 4
3.4 (a) Refer to solution
(b) � 4
(c) 3
(d) When the displacement of the
car is 0, its velocity is 2
Exercise 4
4.1 (a)
13
x ��
5
(b) x ��3
(c) y ��5
4.2 (a) � 3
(b) x �1
(c) y � 3
4.3 (a) x � 5
(b) y �1
(c) { x: x � 5}
(d) x �� 0.317 or 5 �x
�6.32
356
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