Algebraic

 $3k^{ }$  
From given term in above, which of the following is correct?

• 3 is coefficient and k is a variable/unknown 

• 3 is a constant and k is a variable/unknown

Which of the following are like terms?

• $2y,\ \ -y,\ \ \frac{y}{3}$

• $8x,\ \ \frac{1}{3}x,\ \ \frac{7}{x}$

• $0.2k,\ \ 3gk,\ \ 9k$

• $-5h,\ \ 6h^2,\ \ 8ky$

How many term for the given algebraic expression below?

 $6m\ -\ 8\ -\ n\ +3pq$  

• 1

• 2

• 3

• 4

which of the following are like terms to

 $3k^2h$  ?  [can have more than 1 answer]

•  $-2hk^2$  

•  $\frac{3k^2}{h}$  

•  $\frac{k^2h}{3}$  

•  $0.9kh^2$  

Write a expression for the statement below:

Add 2 to x and then multiply by 5

• $2x\ +\ 5$

• $5\left(x\ +\ 2\right)$

• $5\ -\ 2x$

• $2\ +\ x\ \times5$

Mr. Lim bought x kg of sugar at RM k per kg and y kg of rice at RM h per kg in a supermarket.

State the variables in the situation which have fixed values and variables which have values that varies.

• Variables with fixed values: k and y

  Variables with varies values : x and h

• Variables with fixed values: k and h

  Variables with varies values : x and y

• Variables with fixed values: x and y

  Variables with varies values : k and h

• Variables with fixed values: x and h

  Variables with varies values : k and y

Simplify

 $2ab\ +\ 3b\ -\ ab\ +4a$  

•  $ab\ +\ 7ba$  

•  $3ab\ +\ 7ba$  

•  $-ab\ +\ 3b\ +\ 4a$  

•  $ab\ +\ 3b\ +\ 4a$  

Simplify

 $\left(5c\ -\ 7\right)\ +\ \left(3\ -\ 2c\right)$  

•  $8c\ -\ 4$  

•  $3c\ -\ 10$  

•  $7c\ -\ 4$  

•  $3c\ -\ 4$  

Simplify

 $\left(-r\ +\ 2\right)\ -\ \left(1\ -\ 2r\right)$  

•  $-3r\ +\ 1$  

•  $-3r\ -\ 1$  

•  $1\ -r$  

•  $r\ +\ 1$  

Find the product of the following:

 $-2ab\ \times\left(-3ac\right)$  

•  $-6abac$  

•  $6abac$  

•  $6a^2bc$  

•  $-6a^2bc$