O-LevelMathematicsAlgebra and graphs4024/11 · May/June 2010 · Q215 Marks
Write down, in terms of n, an expression for the nth term of the sequence 19 16 13 10 ............. .
- (a)Write down, in terms of n, an expression for the nth term of the sequence 19 16 13 10 ............. .[2]
- (b)(i)Factorise completely 4x²-25y².[1]
- (b)(ii)5ax – 5a² – 2x + 2a.[2]
Write your answer and get it marked
On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →