number series Flashcards
1
Q
ARITHMETIC SEQ
A
DIFF BTWN 2 CONSECUTIVE TERMS IS CONSTAnt
T2-T1=T3-T2
T2-T1*=*T3-T2 another seq
2
Q
9arithmetic seq formula
A
Tn=a+(n-1)d
Tn represents general term
a represents the first term in the sequence
n represents the term number
d represents the constant difference
3
Q
QUADRATIC SEQUENCE
A
SECOND DIFFERENCE IS CONSTANT
ANSQRD=+BN+C
2A=SECOND DIFF
3A+B=FIRST DIFF
A+B+C=FIRST TERM
4
Q
what is sigma notation
A
5
Q
sigma eg1
A
6
Q
sigma eg2
A
7
Q
sigma eg3
A
8
Q
sigma eg4
A
9
Q
convert number pattern to sigma
A
10
Q
what is a geometric sequence
A
11
Q
what is the common ratio
A
12
Q
what is the common ratio
A
13
Q
wht is da common ratio ex 2
A
14
Q
is this a geometric sequence ?
A
nnnnnooooooooooooooooooooooooooooo
15
Q
geometric test niggggsssssssss
A