Q1) What is the nth term of -6,-3,2,9,18...? [ \( x^ 2 -7\) ]

Q1) What is the nth term of -3,0,7,18,33... ? [ \(2 x^ 2 -3 x-2\) ]

Q1) What is the  20th term of 5,6,11,20,33...? [ \(2 x^ 2 -5 x+8\) 20th is 708]

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

Q2) What is the nth term of 10,21,38,61,90... ? [ \(3 x^ 2 + 2 x+5\) ]

Q2) What is the  15th term of 13,27,47,73,105...? [ \(3 x^ 2 + 5 x+5\) 15th is 755]

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

Q3) What is the nth term of 4,8,16,28,44... ? [ \(2 x^ 2 -2 x+4\) ]

Q3) What is the  11th term of 0,12,30,54,84...? [ \(3 x^ 2 + 3 x-6\) 11th is 390]

Q4) What is the nth term of -2,-2,0,4,10... ? [ \( x^ 2 -3x\) ]

Q4) What is the nth term of 10,20,34,52,74... ? [ \(2 x^ 2 + 4 x+4\) ]

Q4) What is the  10th term of 5,8,15,26,41...? [ \(2 x^ 2 -3 x+6\) 10th is 176]

Q5) What is the nth term of 4,10,18,28,40... ? [ \( x^ 2 + 3x\) ]

Q5) What is the nth term of 5,10,21,38,61... ? [ \(3 x^ 2 -4 x+6\) ]

Q5) What is the  10th term of -4,3,16,35,60...? [ \(3 x^ 2 -2 x-5\) 10th is 275]

Q6) What is the nth term of -5,-2,3,10,19...? [ \( x^ 2 -6\) ]

Q6) What is the nth term of 1,15,35,61,93... ? [ \(3 x^ 2 + 5 x-7\) ]

Q6) What is the  17th term of 15,26,41,60,83...? [ \(2 x^ 2 + 5 x+8\) 17th is 671]

Q7) What is the nth term of -7,-4,1,8,17...? [ \( x^ 2 -8\) ]

Q7) What is the nth term of -8,-1,12,31,56... ? [ \(3 x^ 2 -2 x-9\) ]

Q7) What is the  20th term of 0,11,26,45,68...? [ \(2 x^ 2 + 5 x-7\) 20th is 893]

Q8) What is the nth term of -9,-6,-1,6,15...? [ \( x^ 2 -10\) ]

Q8) What is the nth term of -5,-1,7,19,35... ? [ \(2 x^ 2 -2 x-5\) ]

Q8) What is the  12th term of 4,15,30,49,72...? [ \(2 x^ 2 + 5 x-3\) 12th is 345]

Q9) What is the nth term of 6,14,24,36,50... ? [ \( x^ 2 + 5x\) ]

Q9) What is the nth term of -7,-6,-1,8,21... ? [ \(2 x^ 2 -5 x-4\) ]

Q9) What is the  15th term of 2,11,24,41,62...? [ \(2 x^ 2 + 3 x-3\) 15th is 492]

Q10) What is the nth term of 10,22,36,52,70... ? [ \( x^ 2 + 9x\) ]

Q10) What is the nth term of 16,26,40,58,80... ? [ \(2 x^ 2 + 4 x+10\) ]

Q10) What is the  15th term of -13,-12,-7,2,15...? [ \(2 x^ 2 -5 x-10\) 15th is 365]