1. Use formula 3 to find the roots of the following equations correct to 2 decimal places
(solve the equations) :
2. Use formulae 4 and 5 to calculate the value of
2.1 A if P = 24 500, r = 12,5% and n = 4 years
2.2 A if P = 123 650, r = 18,5% and n = 60 months
2.3 A if P = 4 000, r = 22,5% and n = 23 months
2.4 A if P = 6 500, r = 6,75% and n = 6 months
2.5 r if A = 28 638,05; P = 18 200 and n = 4 years
2.6 r if A = 1 785 361,21; P = 216 300 and n = 10 years
2.7 r if A = 67 857,94; P = 57 000 and n = 24 months
2.8 r if A = 41 839,39; P = 31 300 and n = 33 months
3. Use formula 6 and then make s, a and u successively the subjects of the formula.
4. Use formulae 6 to 9 to calculate the value of
4.1 v if
4.1.1 u = 10; a = 5 and s = 130
4.1.2 u = 30; a = -3 and s = 50
4.1.3 u = 25; a = -10 and s = 15
4.2 u if
4.2.1 v = 30; a = 6 and s = 40
4.2.2 v = 35; a = 10 and s = 50
4.2.3 v = 15; a = -5 and s = 45
4.3 s if
4.3.1 v = 32; u = 10 and a = 5
4.3.2 v = 45; u = 23 and a = 8
4.3.3 v = 20; u = 10 and a = -6
4.4 a if
4.4.1 v = 32; u = 10 and a = 5
4.4.2 v = 45; u = 23 and a = 8
4.4.3 v = 20; u = 10 and a = -6
5. Use formula 10 and then make u, a and t successively the subject of the formula.
6. Use the formulae 10 to 13 to calculate the value of
6.1 s if
6.1.1 u = 15; a = 4,5 and t = 9
6.1.2 u = 20; a = -5 and t = 8
6.1.3 u = 125; a = -4 and t = 25
6.2 u if
6.2.1 s = 227,5; a = 3 and t = 7
6.2.2 s = 576; a = 5 and t = 12
6.2.3 s = 0; a = 10 and a = 12
6.3 a if
6.3.1 s = 162; u = 15 and t = 6
6.3.2 s = 1 134; u = 25 and t = 14
6.3.3 s = -147,5; u = -5 and t = 5
6.4 t if
6.4.1 s = 1 200; u = 30 and a = 3
6.4.2 s = 90; u = 24 and a = -3
6.4.3 s = -232; u = -5 and a = -6
7. Use formula 14 and then make a and d successively the subject of the formula.
8. Use the formulae 14 to 16 to calculate the value of
8.1 S if
8.1.1 n = 22; a = 5 and d = 3
8.1.2 n = 121; a = 6 and d = 2
8.1.3 n = 53; a = -28 and d = 4
8.1.4 n = 36; a = 14 and d = -6
8.2 a if
8.2.1 S = 2 550; n = 25 and d = 7
8.2.2 S = 6 944; n = 64 and d = 3
8.2.3 S = 657; n = 18 and d = 5
8.2.4 S = -2 079; n = 27 and d = -4
8.3 d if
8.3.1 S = 16 113; n = 41 and a = 33
8.3.2 S = 702; n = 9 and a = -18
8.3.3 S = 104; n = 16 and a = 44
8.3.4 S = -416; n = 8 and a = -24
9. Use formula 17 and then make l and g successively the subject of the formula.
10. Use the formulae 17 to 19 to calculate the value of
10.1 T if
10.1.1 l = 1,3 and g = 9,8
10.1.2 l = 4,2 and g = 10
10.1.3 l = 4,2 and g = 10
10.2 l if
10.2.1 T = 1,6 and g = 9,8
10.2.2 T = 3,8 and g = 10
10.2.3 T = 1 and g = 9,8
10.3 g if
10.3.1 T = 2,288 and l = 1,3
10.3.2 T = 3,8 and l = 3,658
10.3.3 T = 7,5 and l = 14,3
