Tutorial Matematik 19.5.2021 ( 3.1a,b,c)

Tentukan sama ada setiap nombor yang berikut ialah kuasa dua sempurna atau bukan. /

Determine whether each of the following numbers is a perfect square.

(more than 1 answer)

• 45

• 100

• 214

• 324

 $5\times5=25,\ \sqrt{25}=$  ________

 $8\times8=64,\ \sqrt{64}=$  _______

 $24^2=576,\ \sqrt{576}=$  ________

Cari nilai bagi  / Find the value of $\left(-\frac{5}{6}\right)^{^2}$  

•  $-\frac{25}{36}$  

•  $\frac{25}{36}$  

•  $\frac{25}{30}$  

•  $\frac{36}{25}$  

Cari nilai bagi  / Find the value of $\left(\frac{9}{11}\right)^{^2}$  

•  $-\frac{81}{100}$  

•  $\frac{81}{121}$  

•  $-\frac{81}{121}$  

•  $\frac{9}{99}$  

 $1.4^2$  =_______ (2t.p. / 2d.p.)

 $29^2$  =_______ 

 $\left(-15.3\right)^2$  =_______ (2t.p. / 2d.p.)

Adakah awak faham berkenaan kuasa dua / Do you understand squares?

• 1- Tidak faham / I do not understand

• 2- Faham / Understand