Page 31 - Hybrid PBD Matematik TG3_Edisi Guru

Matematik Tingkatan 3 Bab 1
1
n
24. Lengkapkan yang berikut dengan menyatakan a sebagai √a atau sebaliknya.
n
Tip Penting
1
n
1
—
Complete the following by stating a as √a or vice versa. SP 1.2.5 TP2 i-Think Peta titi n √a = a , a ≠ 0
n
i-Think
i-Think
n
ditulis dalam 1 1 1 1 1 1 1
n
bentuk √a 25 2 64 3 32 5 256 4 h 7 k 10 36 2
n
is written in the form √a as as as as as as
√25 3 √64 5 √32 4 √256 7 √h 10 √k √36

25. Lakukan aktiviti yang berikut. SP 1.2.5 TP6
Carry out the following activity.
Jigsaw

(a) Lakukan kerja dalam kumpulan.
Work in groups.
(b) Seorang ahli dari setiap kumpulan akan berbincang tentang topik berikut dalam kumpulan 'pakar'.
A member from each group will discuss the topic in the 'expert' group.
1 n
m n
Dengan menggunakan hukum indeks a = √a dan (a ) = a m × n ,
n
teroka hubungan antara indeks dengan punca kuasa dan kuasa. m n n m n n
m
m
1 a = √a atau/ or a = (√a)
n
Using the laws of indices a = √a and (a ) = a m × n , explore the relationship
n
m n
among indices, roots and powers.
(c) Selepas perbincangan, pakar itu akan kembali ke kumpulan asal dan berkongsi pengetahuan bersama
rakan kumpulan lain.
After discussion, experts return to their 'home' group and share their knowledge with the rest of the group members.
Tip Penting
m 1 1
26. Tulis setiap berikut dalam bentuk yang dinyatakan. SP 1.2.5 TP2 a = a m × n = (a ) = √a
m n
n — m
n
Write each of the following in the forms stated. m 1 × m 1 —
a = a n = (a ) = ( √a )
n
n
m
n m
Indeks 1 Indeks 1
n m n m
√a (√a ) (a ) n (a ) m
n
m
pecahan pecahan
1
3
(a) 3 √64 2 64 2 3 (√64 ) 2 (g) (16 ) 1 4 16 3 4 (16 ) 3
4
3
4
(b) 4 √81 3 3 4 ( √81) 3 (h) 1 2 5 2 1 2
81 (49 ) 49 (49 ) 5
5
(c) √36 3 3 2 (√36) 3 (i) 1 3 7 3 1 3
36 (125 ) 125 (125 ) 7
7
1
5
(d) 5 √32 2 32 2 5 ( √32) 2 (j) (y ) 1 7 y 2 7 (y ) 2
7
2
1
9
(e) 9 √x 4 x 4 9 ( √x ) (k) (a ) 1 7 a 4 7 (a ) 4
4
7
4
7
(f) 7 √y 2 2 7 ( √y ) (l) 1 5 3 5 1 5
2
y (b ) b (b ) 3
3
E-pop
Quiz
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