Mr Daniels Maths
Sequences Quadratic

Set 1

Set 2

Set 3

Q1) What is the nth term of 8,11,16,23,32...? [ \( x^ 2 +7\) ]

Q1) What is the nth term of -8,-1,12,31,56... ? [ \(3 x^ 2 -2 x-9\) ]

Q1) What is the  19th term of 17,28,43,62,85...? [ \(2 x^ 2 + 5 x+10\) 19th is 827]

Q2) What is the nth term of -4,-6,-6,-4,0... ? [ \( x^ 2 -5x\) ]

Q2) What is the nth term of 0,12,30,54,84... ? [ \(3 x^ 2 + 3 x-6\) ]

Q2) What is the  20th term of 9,17,29,45,65...? [ \(2 x^ 2 + 2 x+5\) 20th is 845]

Q3) What is the nth term of 11,14,19,26,35...? [ \( x^ 2 +10\) ]

Q3) What is the nth term of -9,-3,9,27,51... ? [ \(3 x^ 2 -3 x-9\) ]

Q3) What is the  14th term of 11,19,31,47,67...? [ \(2 x^ 2 + 2 x+7\) 14th is 427]

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

Q4) What is the nth term of 16,28,46,70,100... ? [ \(3 x^ 2 + 3 x+10\) ]

Q4) What is the  12th term of 15,29,49,75,107...? [ \(3 x^ 2 + 5 x+7\) 12th is 499]

Q5) What is the nth term of 8,18,30,44,60... ? [ \( x^ 2 + 7x\) ]

Q5) What is the nth term of -3,10,29,54,85... ? [ \(3 x^ 2 + 4 x-10\) ]

Q5) What is the  20th term of 17,31,51,77,109...? [ \(3 x^ 2 + 5 x+9\) 20th is 1309]

Q6) What is the nth term of -5,-8,-9,-8,-5... ? [ \( x^ 2 -6x\) ]

Q6) What is the nth term of 12,22,36,54,76... ? [ \(2 x^ 2 + 4 x+6\) ]

Q6) What is the  18th term of -3,9,27,51,81...? [ \(3 x^ 2 + 3 x-9\) 18th is 1017]

Q7) What is the nth term of 7,10,15,22,31...? [ \( x^ 2 +6\) ]

Q7) What is the nth term of 13,26,45,70,101... ? [ \(3 x^ 2 + 4 x+6\) ]

Q7) What is the  17th term of -11,-9,-3,7,21...? [ \(2 x^ 2 -4 x-9\) 17th is 501]

Q8) What is the nth term of 4,10,18,28,40... ? [ \( x^ 2 + 3x\) ]

Q8) What is the nth term of 0,14,34,60,92... ? [ \(3 x^ 2 + 5 x-8\) ]

Q8) What is the  14th term of 15,29,49,75,107...? [ \(3 x^ 2 + 5 x+7\) 14th is 665]

Q9) What is the nth term of -9,-6,-1,6,15...? [ \( x^ 2 -10\) ]

Q9) What is the nth term of -2,9,26,49,78... ? [ \(3 x^ 2 + 2 x-7\) ]

Q9) What is the  10th term of -1,10,25,44,67...? [ \(2 x^ 2 + 5 x-8\) 10th is 242]

Q10) What is the nth term of -9,-16,-21,-24,-25... ? [ \( x^ 2 -10x\) ]

Q10) What is the nth term of 1,4,11,22,37... ? [ \(2 x^ 2 -3 x+2\) ]

Q10) What is the  10th term of 10,21,38,61,90...? [ \(3 x^ 2 + 2 x+5\) 10th is 325]