Mr Daniels Maths
Sequences Quadratic

Set 1

Set 2

Set 3

Q1) What is the nth term of -7,-12,-15,-16,-15... ? [ \( x^ 2 -8x\) ]

Q1) What is the nth term of 14,22,34,50,70... ? [ \(2 x^ 2 + 2 x+10\) ]

Q1) What is the  19th term of -9,-7,-1,9,23...? [ \(2 x^ 2 -4 x-7\) 19th is 639]

Q2) What is the nth term of 10,22,36,52,70... ? [ \( x^ 2 + 9x\) ]

Q2) What is the nth term of 1,14,33,58,89... ? [ \(3 x^ 2 + 4 x-6\) ]

Q2) What is the  20th term of -4,1,12,29,52...? [ \(3 x^ 2 -4 x-3\) 20th is 1117]

Q3) What is the nth term of -8,-14,-18,-20,-20... ? [ \( x^ 2 -9x\) ]

Q3) What is the nth term of -4,7,24,47,76... ? [ \(3 x^ 2 + 2 x-9\) ]

Q3) What is the  16th term of 5,19,39,65,97...? [ \(3 x^ 2 + 5 x-3\) 16th is 845]

Q4) What is the nth term of -6,-3,2,9,18...? [ \( x^ 2 -7\) ]

Q4) What is the nth term of -11,-8,-1,10,25... ? [ \(2 x^ 2 -3 x-10\) ]

Q4) What is the  16th term of -4,-1,6,17,32...? [ \(2 x^ 2 -3 x-3\) 16th is 461]

Q5) What is the nth term of -3,-4,-3,0,5... ? [ \( x^ 2 -4x\) ]

Q5) What is the nth term of 6,12,24,42,66... ? [ \(3 x^ 2 -3 x+6\) ]

Q5) What is the  18th term of 11,24,43,68,99...? [ \(3 x^ 2 + 4 x+4\) 18th is 1048]

Q6) What is the nth term of 8,11,16,23,32...? [ \( x^ 2 +7\) ]

Q6) What is the nth term of 0,13,32,57,88... ? [ \(3 x^ 2 + 4 x-7\) ]

Q6) What is the  13th term of 3,7,15,27,43...? [ \(2 x^ 2 -2 x+3\) 13th is 315]

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

Q7) What is the nth term of 6,13,26,45,70... ? [ \(3 x^ 2 -2 x+5\) ]

Q7) What is the  10th term of -2,11,30,55,86...? [ \(3 x^ 2 + 4 x-9\) 10th is 331]

Q8) What is the nth term of -8,-14,-18,-20,-20... ? [ \( x^ 2 -9x\) ]

Q8) What is the nth term of 11,19,31,47,67... ? [ \(2 x^ 2 + 2 x+7\) ]

Q8) What is the  15th term of 10,21,38,61,90...? [ \(3 x^ 2 + 2 x+5\) 15th is 710]

Q9) What is the nth term of -1,2,7,14,23...? [ \( x^ 2 -2\) ]

Q9) What is the nth term of 10,17,30,49,74... ? [ \(3 x^ 2 -2 x+9\) ]

Q9) What is the  15th term of 15,27,45,69,99...? [ \(3 x^ 2 + 3 x+9\) 15th is 729]

Q10) What is the nth term of 9,20,33,48,65... ? [ \( x^ 2 + 8x\) ]

Q10) What is the nth term of 9,14,25,42,65... ? [ \(3 x^ 2 -4 x+10\) ]

Q10) What is the  18th term of 7,8,13,22,35...? [ \(2 x^ 2 -5 x+10\) 18th is 568]