Q1) What is the nth term of 8,18,30,44,60... ? [ $x^ 2 + 7x$ ]

Q1) What is the nth term of 13,26,45,70,101... ? [ $3 x^ 2 + 4 x+6$ ]

Q1) What is the  14th term of -1,13,33,59,91...? [ $3 x^ 2 + 5 x-9$ 14th is 649]

Q2) What is the nth term of 10,13,18,25,34...? [ $x^ 2 +9$ ]

Q2) What is the nth term of 13,21,33,49,69... ? [ $2 x^ 2 + 2 x+9$ ]

Q2) What is the  16th term of 14,28,48,74,106...? [ $3 x^ 2 + 5 x+6$ 16th is 854]

Q3) What is the nth term of 9,12,17,24,33...? [ $x^ 2 +8$ ]

Q3) What is the nth term of 14,24,38,56,78... ? [ $2 x^ 2 + 4 x+8$ ]

Q3) What is the  16th term of 7,11,19,31,47...? [ $2 x^ 2 -2 x+7$ 16th is 487]

Q4) What is the nth term of -6,-10,-12,-12,-10... ? [ $x^ 2 -7x$ ]

Q4) What is the nth term of 3,10,23,42,67... ? [ $3 x^ 2 -2 x+2$ ]

Q4) What is the  10th term of -10,-8,-2,8,22...? [ $2 x^ 2 -4 x-8$ 10th is 152]

Q5) What is the nth term of -8,-5,0,7,16...? [ $x^ 2 -9$ ]

Q5) What is the nth term of -9,-8,-3,6,19... ? [ $2 x^ 2 -5 x-6$ ]

Q5) What is the  14th term of 10,24,44,70,102...? [ $3 x^ 2 + 5 x+2$ 14th is 660]

Q6) What is the nth term of -6,-3,2,9,18...? [ $x^ 2 -7$ ]

Q6) What is the nth term of 12,23,40,63,92... ? [ $3 x^ 2 + 2 x+7$ ]

Q6) What is the  11th term of -12,-8,2,18,40...? [ $3 x^ 2 -5 x-10$ 11th is 298]

Q7) What is the nth term of -1,0,3,8,15... ? [ $x^ 2 -2x$ ]

Q7) What is the nth term of 4,15,30,49,72... ? [ $2 x^ 2 + 5 x-3$ ]

Q7) What is the  14th term of 2,7,18,35,58...? [ $3 x^ 2 -4 x+3$ 14th is 535]

Q8) What is the nth term of 6,14,24,36,50... ? [ $x^ 2 + 5x$ ]

Q8) What is the nth term of 13,26,45,70,101... ? [ $3 x^ 2 + 4 x+6$ ]

Q8) What is the  16th term of 8,10,16,26,40...? [ $2 x^ 2 -4 x+10$ 16th is 458]

Q9) What is the nth term of 5,12,21,32,45... ? [ $x^ 2 + 4x$ ]

Q9) What is the nth term of 16,30,50,76,108... ? [ $3 x^ 2 + 5 x+8$ ]

Q9) What is the  19th term of -7,-5,1,11,25...? [ $2 x^ 2 -4 x-5$ 19th is 641]

Q10) What is the nth term of -1,2,7,14,23...? [ $x^ 2 -2$ ]

Q10) What is the nth term of -4,8,26,50,80... ? [ $3 x^ 2 + 3 x-10$ ]

Q10) What is the  10th term of -2,5,18,37,62...? [ $3 x^ 2 -2 x-3$ 10th is 277]