Algebraic Expressions
Equations
inequalities
Arithmetic Sequences
Formula for nth term
300

Solve the equation 4(x-2)=2x+6

2x+7

300
find the 10th term of the arithmetic sequence: a=2,d=3

an= a +(n-1) d= 29


400

3x+5-2x+7=x + 12

x+12=x+12

400

2x-5/3 = x+1/2


x=13

400

is 256 in

2,4,8,16

256=28  

Yes its the 8th term


500

X2 -9x+20=(x-4)(x-5)

(x-4) (x-5)

500

4(x-2)=2x+6

x=7

500

5x-3<2x+9

x<4

500

find the 10th term: Sequences:2,5,8,11

a10=29

500

common ratio of: 81,27,9,3

1/3

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