KSSM ADDMATH F4 (CHAPTER 5) by Cikgu Nizam<3

Determine whether the following sequence is an arithmetic progression.

 $2,\ 6,\ 12,...$  

• This sequence is an Arithmetic progression

• This sequence is NOT an Arithmetic progression

Determine the common difference,d, of the following sequence is an arithmetic progression.

 $2\frac{1}{2},6,9\frac{1}{2},...$  

•  $3\frac{1}{2}$  

•  $2\frac{1}{3}$  

•  $1\frac{3}{2}$  

•  $1\frac{2}{3}$  

Given three consecutive terms of an arithmetic progression, find the value of y and the three terms of the arithmetic progression.

 $2y,\ y-15,\ 3y,...$  

•  $-30,\ -25,\ -20,...$  

•  $30,\ 25,\ 20,...$  

•  $-20,\ -25,\ -30,...$  

•  $20,\ 25,\ 30,...$  

Find the ninth term of the following arithmetic progression.

 $4,\ 8,\ 12,...$  

• 36

• 37

• 38

• 39

Given two terms of an arithmetic progression, find the first term, a, and the common difference, d.

 $fifth\ term\ is\ -17$  

 $eleventh\ term\ is\ -65$  

•  $a=-8\ \&\ d=15$  

•  $a=8\ \&\ d=-15$  

•  $a=-15\ \&\ d=8$  

•  $a=15\ \&\ d=-8$  

 $8,\ 12,\ 16,...;\ \left(n=15\right)$  


Find the sum of the first n terms of the following arithmetic progression

(a)  

 $1,\ 4,\ 7, (a)$  ,73  


Find the sum of the first n terms of the following arithmetic progression

Find the sum of consecutive terms as stated of the following arithmetic progression.

 $-3,\ 5,\ 13,...$  
 $T_6+T_7+ (a)$  +T_{13}  

Given  $S_n$ of an arithmetic progression, find the first term, a, and the common difference, d.


 $S_n=n^2+4n$   

•  $a=2\ \&\ d=5$  

•  $a=5\ \&\ d=2$  

•  $a=-2\ \&\ d=-5$  

•  $a=-5\ \&\ d=-2$  

 Given  $S_n$ of an arithmetic progression, find  $T_n$  

 $S_n=n^2-2n$  

•  $2n-3$  

•  $3n-2$  

•  $-2n+3$  

•  $-3n+2$