| Substitution | Geometric Series | Elimination | LOGARITHMS |
|---|---|---|---|
|
(2,1)
y=6x-11
-2x-3y=-7 |
4095
Find the S12 of the following sequence 1+2+4+8
|
(6,-6)
-4x-2y=-12
4x+8y=-24 |
log7 49=2
Convert from exponential to Logarithic Form
7^2=49 |
|
(4,3)
2x-3y=-1
y=x-1 |
342
Determine the sum of the first 9 terms (S9) for a geometric series given a1=2 and r= -2
|
(7,-1)
4x+8y=20
-4x+2y=-30 |
log10 1000=3
Convert to Logarithic
10^3=1000 |
|
(1,2)
y=-3x+5
5x-4y=-3 |
65,535
Determine the sum of the first 8 terms (S8) for a geometric series given a1=3 and r=4
|
(-6,0)
5x+4y=-30
3x-9y=-18 |
5^3=125
Convert to Exponential
Log5 125=3 |
|
(7,6)
2x+y=20
6x-5y=12 |
-786,429
Find the S18 of the following sequence 3+6+12+24
|
(1,-2)
-7x-8y=9
-4x+9y=-22 |
log25 5=1/2
Convert to Logarithic
25^1/2=5 |
|
No solution
-3x+3y=4
-x+y=3 |
183105468
Find the s12 of the following sequence 3+15+75+375
|
Infinite number of solutions
2x+8y=6
-5x-20y=-15 |
50^0=1
Convert to Exponential
log50 1=0 |
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