Unit 3 Booklet
Unit 3 Booklet
Unit 3 Booklet
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2. (a) 8Ö2 (b) Ö5 (c) 13Ö10 (d) 0 (e) Ð2Ö6<br />
(f) ÐÖ3 (g) 0 (h) 10Ö2 + 10Ö3 !!<br />
3. (a) Ö2 (b) 2Ö2 (c) 10Ö5 (d) 6Ö3 (e) 5Ö5<br />
(f) Ö7 (g) 8Ö2 (h) 2Ö2<br />
Exercise 5<br />
1. (a) 3 (b) 5 (c) 6 (d) 1 (e) x (f) Ö6 (g) 2Ö5 (h) 4Öa<br />
(i) Ö(2c) (j) Ö(xy) (k) 4 (l) 8 (m) 3Ö2 (n) 10Ö2 (o) 6 (p) 6Ö6<br />
2. (a) Ö2 + 2 (b) Ö6 + Ö3 (c) 5 + Ö5 (d) Ö7 + 7 (e) 5Ö2 Ð 2<br />
(f) 5Ö2 Ð 8 (g) 1 + Ö3 (h) ÐÖ2 (i) 1 (j) 2<br />
(k) 5 + 2Ö6 (l) 8 Ð 2Ö15<br />
3. (a) 6 (b) Ð2 (c) 6<br />
4. (a) 4Ö3 (b) 10 (c) 4Ö15<br />
5. (a) 4 cm 2 (b) 2Ö6 cm<br />
Exercise 6<br />
1. (a) Ö2 /2 (b) Ö3 /3 (c) Ö5 /5 (d) Ö6 /6 (e) Ö7 /7<br />
(f) 2Ö5 (g) 2Ö3 /3 (h) 3Ö5 /5 (i) 10Ö2 (j) 2Ö3<br />
(k) 2Ö6 (l) 3Ö5 /10 (m) 2Ö2 /5 (n) Ö5 /10 (o) Ö2 /10 (p) Ö2<br />
2. (a) 2Ö3 /3 (b) Ö10 /2 (c) Ö10 /5 (d) Ö11 /11 (e) Ö15 /5 (f)<br />
3. (a) Ö2 + 1 (b) (Ö7 + 1) /6 (c) (2 Ð Ö2) /2 (d) Ö5 Ð 1 (e) 6 + 3Ö3<br />
(f) Ö3 + Ö2 (g) Ö5 Ð Ö3 (h) 3Ö5 + 3Ö2<br />
Exercise 7<br />
1. (a) 2 7 (b) 3 8 (c) 8 7 (d) 10 30 (e) a 7 (f) b 8 (g) c 8 (h) d 10<br />
(i) v 11 (j) x 12 (k) w 4 (l) z 6 (m) f 11 (n) g 20 (o) k 12 (p) m 101<br />
2. (a) 2 (b) 3 2 (c) 8 3 (d) 10 10 (e) a (f) b 2 (g) c 5 (h) 1<br />
(i) v (j) x 8 (k) w 2 (l) z (m) f 3 (n) 1 (o) k 10 (p) m 99<br />
(q) x 4 (r) m (s) a 4 (t) r<br />
3. (a) x 6 (b) y 15 (c) z 10 (d) g 16 (e) a 21 (f) b 16 (g) c 30 (h) d 21<br />
4. (a) 2 10 (b) 7 15 (c) 6 20 (d) 8 15 (e) 2 49 (f) 3 12 (g) 9 10 (h) 2 25<br />
5. (a) a 3 b 3 (b) c 6 d 6 (c) x 20 y 10 (d) 4p 2 q 2<br />
6. (a) y 5 (b) t 5 (c) x 3 (d) v 6 (e) 3x 5 (f) 4x 7 (g) 12x 4<br />
(h) 4x 3 (i) 3x 2 (j) x 5 + x 6 (k) x 6 Ð 4x 3 (l) u 7 v 7 (m) 25y 2<br />
(n) m 8 n 16 (o) x 5 (p) u 6<br />
7. (a) m = 4 (b) m = 5 (c) m = 3 (d) m = 4<br />
Ö(ab)<br />
b<br />
Mathematics Support Materials: Mathematics 3 (Int 2) Ð Student Materials 41
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