Mathematics Form 2 KSSM (Mid-Year Revision)

 $1,4,\ 7,\ 10,\ ...$  

Which of the following number sequances has the same pattern as the number sequance above?

• 10, 7, 4, 1, ...

• 1, -2, 4, -8, ...

• 12, 15, 18, 21, ...

• -8, -5, -2, 1, ...

 $2,\ -4,\ 8,\ -16,\ ...$  
  

Determine the pattern of the number sequences above.

• Subtract 3 from the previous number.

• Subtract (-2) from the previous number.

• Divide the previous number by 2.

• Multiply the previous number by (-2).

Choose the numbers below to complete the Pascal's Triangle.

• 1

• 3

• 4

• 6

• 8

The diagram shows the first four shapes of a sequence which followed a certain pattern. Find the number of triangles of the 6^th shape.

(a)  

The pattern of a number sequences in algebraic expression is $3n-5$ . Find  $T_{10}$  .

(a)  

Expand  $\left(x-1\right)\left(x+3\right)$ .

•  $x^2-2x-3$  

•  $x^2+2x-3$  

•  $x^2+4x-3$  

•  $x^2+4x+3$  

Factorise $6x^2+x-2$ .

•  $\left(2x+1\right)\left(3x-2\right)$  

•  $\left(2x-1\right)\left(3x+2\right)$  

•  $\left(6x-1\right)\left(x+2\right)$  

•  $\left(6x+1\right)\left(x-2\right)$  

Choose all common factors of $3pq$  and  $6qp^2$ .

•  $q$  

•  $q^2$  

•  $pq$  

•  $q^2p$  

•  $3pq$  

Simplify $\frac{4-x^2}{xy}\div\frac{4-2x}{2y}$ .

•  $\frac{2+x}{y}$  

•  $\frac{4-x}{2y}$  

•  $\frac{2+x}{x}$  

•  $\frac{2-x}{2x}$  

Simplify $\frac{3}{8h}+\frac{1}{6}$ .

•  $\frac{1+h}{24}$  

•  $\frac{4h+1}{12}$  

•  $\frac{4}{14h}$  

•  $\frac{9+4h}{24h}$