Mr Daniels Maths
Sequences Quadratic

Set 1

Set 2

Set 3

Q1) What is the nth term of -9,-6,-1,6,15...? [ \( x^ 2 -10\) ]

Q1) What is the nth term of 15,27,45,69,99... ? [ \(3 x^ 2 + 3 x+9\) ]

Q1) What is the  16th term of 0,13,32,57,88...? [ \(3 x^ 2 + 4 x-7\) 16th is 825]

Q2) What is the nth term of -4,-1,4,11,20...? [ \( x^ 2 -5\) ]

Q2) What is the nth term of 10,22,40,64,94... ? [ \(3 x^ 2 + 3 x+4\) ]

Q2) What is the  12th term of 2,5,12,23,38...? [ \(2 x^ 2 -3 x+3\) 12th is 255]

Q3) What is the nth term of 8,18,30,44,60... ? [ \( x^ 2 + 7x\) ]

Q3) What is the nth term of 9,17,29,45,65... ? [ \(2 x^ 2 + 2 x+5\) ]

Q3) What is the  18th term of -10,-7,0,11,26...? [ \(2 x^ 2 -3 x-9\) 18th is 585]

Q4) What is the nth term of -8,-14,-18,-20,-20... ? [ \( x^ 2 -9x\) ]

Q4) What is the nth term of 10,14,22,34,50... ? [ \(2 x^ 2 -2 x+10\) ]

Q4) What is the  12th term of -8,-2,10,28,52...? [ \(3 x^ 2 -3 x-8\) 12th is 388]

Q5) What is the nth term of 10,13,18,25,34...? [ \( x^ 2 +9\) ]

Q5) What is the nth term of 1,6,17,34,57... ? [ \(3 x^ 2 -4 x+2\) ]

Q5) What is the  19th term of -11,-10,-5,4,17...? [ \(2 x^ 2 -5 x-8\) 19th is 619]

Q6) What is the nth term of 5,12,21,32,45... ? [ \( x^ 2 + 4x\) ]

Q6) What is the nth term of 4,15,30,49,72... ? [ \(2 x^ 2 + 5 x-3\) ]

Q6) What is the  13th term of -10,-6,4,20,42...? [ \(3 x^ 2 -5 x-8\) 13th is 434]

Q7) What is the nth term of -1,2,7,14,23...? [ \( x^ 2 -2\) ]

Q7) What is the nth term of -9,-8,-3,6,19... ? [ \(2 x^ 2 -5 x-6\) ]

Q7) What is the  18th term of 13,25,43,67,97...? [ \(3 x^ 2 + 3 x+7\) 18th is 1033]

Q8) What is the nth term of -3,0,5,12,21...? [ \( x^ 2 -4\) ]

Q8) What is the nth term of -5,-3,3,13,27... ? [ \(2 x^ 2 -4 x-3\) ]

Q8) What is the  16th term of 2,16,36,62,94...? [ \(3 x^ 2 + 5 x-6\) 16th is 842]

Q9) What is the nth term of -2,1,6,13,22...? [ \( x^ 2 -3\) ]

Q9) What is the nth term of -8,-4,4,16,32... ? [ \(2 x^ 2 -2 x-8\) ]

Q9) What is the  17th term of -6,1,14,33,58...? [ \(3 x^ 2 -2 x-7\) 17th is 826]

Q10) What is the nth term of -5,-2,3,10,19...? [ \( x^ 2 -6\) ]

Q10) What is the nth term of 1,10,23,40,61... ? [ \(2 x^ 2 + 3 x-4\) ]

Q10) What is the  15th term of 9,20,37,60,89...? [ \(3 x^ 2 + 2 x+4\) 15th is 709]