Quadratic Sequences Squares

Find the n^th term for the following quadratic sequence...

7, 13, 23, 37, 55...

• 2n² + 5

• 2n² + 5n

• n² + 5

• n² - 5

Find the n^th term for the following quadratic sequence...

1, 13, 33, 61, 97...

• 4n² - 3

• 3n² + 3

• 3n² - 3

• 4n² + 3

Find the n^th term for the following quadratic sequence...

-2, 1, 6, 13, 22...

• 2n² + 3

• 2n² - 3

• n² + 3

• n² - 3

What is the nth term of the quadratic sequence

-1, 11, 31, 59, 95, 139, ...

The rule for a sequence is "square the position then add 7". Which of these is the 4th term?

• 9

• 15

• 23

• 121

• 4

• 2

• 8

• 1

Given the quadratic sequence 7, 12, 23, 40, ...

what is the coefficient of n² in the expression for the nth term?

• 2

• 3

• 4

• 1