Mr Daniels Maths
Sequences Quadratic

Set 1

Set 2

Set 3

Q1) What is the nth term of 6,14,24,36,50... ? [ \( x^ 2 + 5x\) ]

Q1) What is the nth term of 6,10,18,30,46... ? [ \(2 x^ 2 -2 x+6\) ]

Q1) What is the  17th term of -5,1,13,31,55...? [ \(3 x^ 2 -3 x-5\) 17th is 811]

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

Q2) What is the nth term of -4,-2,4,14,28... ? [ \(2 x^ 2 -4 x-2\) ]

Q2) What is the  20th term of 3,16,35,60,91...? [ \(3 x^ 2 + 4 x-4\) 20th is 1276]

Q3) What is the nth term of 9,20,33,48,65... ? [ \( x^ 2 + 8x\) ]

Q3) What is the nth term of 10,17,30,49,74... ? [ \(3 x^ 2 -2 x+9\) ]

Q3) What is the  20th term of -4,1,12,29,52...? [ \(3 x^ 2 -4 x-3\) 20th is 1117]

Q4) What is the nth term of 6,9,14,21,30...? [ \( x^ 2 +5\) ]

Q4) What is the nth term of -3,3,15,33,57... ? [ \(3 x^ 2 -3 x-3\) ]

Q4) What is the  13th term of -8,-7,-2,7,20...? [ \(2 x^ 2 -5 x-5\) 13th is 268]

Q5) What is the nth term of -1,0,3,8,15... ? [ \( x^ 2 -2x\) ]

Q5) What is the nth term of -1,11,29,53,83... ? [ \(3 x^ 2 + 3 x-7\) ]

Q5) What is the  16th term of 8,16,28,44,64...? [ \(2 x^ 2 + 2 x+4\) 16th is 548]

Q6) What is the nth term of 3,8,15,24,35... ? [ \( x^ 2 + 2x\) ]

Q6) What is the nth term of -8,-4,6,22,44... ? [ \(3 x^ 2 -5 x-6\) ]

Q6) What is the  18th term of 7,8,13,22,35...? [ \(2 x^ 2 -5 x+10\) 18th is 568]

Q7) What is the nth term of 4,10,18,28,40... ? [ \( x^ 2 + 3x\) ]

Q7) What is the nth term of -11,-8,-1,10,25... ? [ \(2 x^ 2 -3 x-10\) ]

Q7) What is the  17th term of -3,4,17,36,61...? [ \(3 x^ 2 -2 x-4\) 17th is 829]

Q8) What is the nth term of -6,-3,2,9,18...? [ \( x^ 2 -7\) ]

Q8) What is the nth term of -2,10,28,52,82... ? [ \(3 x^ 2 + 3 x-8\) ]

Q8) What is the  18th term of 3,6,13,24,39...? [ \(2 x^ 2 -3 x+4\) 18th is 598]

Q9) What is the nth term of -1,0,3,8,15... ? [ \( x^ 2 -2x\) ]

Q9) What is the nth term of -4,1,12,29,52... ? [ \(3 x^ 2 -4 x-3\) ]

Q9) What is the  12th term of 3,17,37,63,95...? [ \(3 x^ 2 + 5 x-5\) 12th is 487]

Q10) What is the nth term of 3,6,11,18,27...? [ \( x^ 2 +2\) ]

Q10) What is the nth term of -11,-8,-1,10,25... ? [ \(2 x^ 2 -3 x-10\) ]

Q10) What is the  20th term of 5,9,17,29,45...? [ \(2 x^ 2 -2 x+5\) 20th is 765]