Mr Daniels Maths
Sequences Quadratic

Set 1

Set 2

Set 3

Q1) What is the nth term of -4,-1,4,11,20...? [ \( x^ 2 -5\) ]

Q1) What is the nth term of -6,-3,4,15,30... ? [ \(2 x^ 2 -3 x-5\) ]

Q1) What is the  19th term of -12,-10,-4,6,20...? [ \(2 x^ 2 -4 x-10\) 19th is 636]

Q2) What is the nth term of 9,12,17,24,33...? [ \( x^ 2 +8\) ]

Q2) What is the nth term of 3,6,13,24,39... ? [ \(2 x^ 2 -3 x+4\) ]

Q2) What is the  18th term of -1,11,29,53,83...? [ \(3 x^ 2 + 3 x-7\) 18th is 1019]

Q3) What is the nth term of 3,6,11,18,27...? [ \( x^ 2 +2\) ]

Q3) What is the nth term of -8,-2,10,28,52... ? [ \(3 x^ 2 -3 x-8\) ]

Q3) What is the  19th term of 3,4,9,18,31...? [ \(2 x^ 2 -5 x+6\) 19th is 633]

Q4) What is the nth term of -7,-4,1,8,17...? [ \( x^ 2 -8\) ]

Q4) What is the nth term of 8,16,28,44,64... ? [ \(2 x^ 2 + 2 x+4\) ]

Q4) What is the  14th term of 9,19,33,51,73...? [ \(2 x^ 2 + 4 x+3\) 14th is 451]

Q5) What is the nth term of -9,-6,-1,6,15...? [ \( x^ 2 -10\) ]

Q5) What is the nth term of 1,2,7,16,29... ? [ \(2 x^ 2 -5 x+4\) ]

Q5) What is the  14th term of 2,6,16,32,54...? [ \(3 x^ 2 -5 x+4\) 14th is 522]

Q6) What is the nth term of -3,-4,-3,0,5... ? [ \( x^ 2 -4x\) ]

Q6) What is the nth term of 2,16,36,62,94... ? [ \(3 x^ 2 + 5 x-6\) ]

Q6) What is the  12th term of 6,12,24,42,66...? [ \(3 x^ 2 -3 x+6\) 12th is 402]

Q7) What is the nth term of 5,8,13,20,29...? [ \( x^ 2 +4\) ]

Q7) What is the nth term of -2,4,16,34,58... ? [ \(3 x^ 2 -3 x-2\) ]

Q7) What is the  10th term of -10,-8,-2,8,22...? [ \(2 x^ 2 -4 x-8\) 10th is 152]

Q8) What is the nth term of 7,10,15,22,31...? [ \( x^ 2 +6\) ]

Q8) What is the nth term of -10,-7,0,11,26... ? [ \(2 x^ 2 -3 x-9\) ]

Q8) What is the  14th term of -6,0,12,30,54...? [ \(3 x^ 2 -3 x-6\) 14th is 540]

Q9) What is the nth term of -6,-3,2,9,18...? [ \( x^ 2 -7\) ]

Q9) What is the nth term of 8,20,38,62,92... ? [ \(3 x^ 2 + 3 x+2\) ]

Q9) What is the  12th term of 7,8,13,22,35...? [ \(2 x^ 2 -5 x+10\) 12th is 238]

Q10) What is the nth term of 4,7,12,19,28...? [ \( x^ 2 +3\) ]

Q10) What is the nth term of -7,0,13,32,57... ? [ \(3 x^ 2 -2 x-8\) ]

Q10) What is the  17th term of -6,0,12,30,54...? [ \(3 x^ 2 -3 x-6\) 17th is 810]