Linear expressions (Mathematics Form 1 Chapter 5 KSSM)

Which of the following is the algebraic terms with one variable?

• $\frac{5}{6k}$

• $4pqr$
  

• $0.7s^2t$
  

• $\frac{2}{3ab}$
  

Puan X of school P teaches subject Q to S students T days a week. Which of the following letters represent variable?

• P and Q

• S and T

• X and S

• P and T

Which of the following are like terms?

• $6b,-\frac{1}{3b^2}$

• $\frac{m}{3},-3m$
  

• $\frac{kl}{6},\ \frac{40k}{l}$
  

• $5q^2r,\ -6r^2q$
  

Choose all unlike terms for $6rs^2$ .

•  $\frac{16}{25}rs3$  
  

•  $12.4s^2r$  
  

•  $\frac{2s^2}{r}$  
  

•  $\frac{rs^2}{5}$  
  

•  $-7r2s$  
  

Given that $-0.4ab^2c$ , find the coefficient of $b^2$ .

•  $-0.4$  
  

•  $ac$  
  

•  $-0.4ac$  
  

•  $0.4c$  
  

Which of the following operations are correct?

• $xy\times xy\times xy=(xy)^3$

• $xy\times xy\times xy=3xy$

• $xy\times xy\times xy=xy^3$

• $xy+xy+xy=(xy)^3$
  

• $xy+xy+xy=3xy$
  

 $(7mn+8m)-(7n-mn-2m)+n=$  

•  $6mn-7m-8n$  
  

•  $8mn+6m+6n$  
  

•  $6mn+6m+8n$  
  

•  $8mn+7m-6n$  
  

 $8xy\times-\frac{x}{2y^4}=$  

•  $-\frac{4x^2}{y^3}$  
  

•  $-9x^2y^4$  
  

•  $\frac{16x^2}{y^4}$  
  

•  $\frac{4x}{y^4}$  
  

Simplify $9pq^5\div(-3p^2q^4)$ .

•  $-3p$  
  

•  $pq$  
  

•  $\frac{p}{q}$  
  

•  $-\frac{3q}{p}$  
  

 $10p^2m\times8pm^4\div5p^2m^2=$  

•  $4p^2m^4$  
  

•  $16pm^3$  
  

•  $8p^2m^2$  
  

•  $4p^3m^2$