Is This Sequence Quadratic

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

What is the nth term rule for the total number of squares?

The first 5 terms of the sequence 2n-n^2 are: 1, 0, -3, -8, -15

What is the expression for the sequence whose first 5 terms are 3, 0, -9, -24, -45, ...

All quadratic sequences can be written as T(n) = an² + bn + c

What is the 'a' value for the following sequence?

6, 12, 22, 36, 54...

• 1

• 2

• 3

• 4

All quadratic sequences can be written as T(n) = an² + bn + c

What is the 'b' value for the following sequence?

6, 12, 22, 36, 54...

• 0

• 2

• 4

• 6

What is the nth term for the total number of squares?

• 4

• 2

• 8

• 1

Find the n^th term for the following quadratic sequence... 6, 11, 18, 27, 38...

• n² + 2n + 3

• 2n² + n + 3

• n² - 2n - 3

• 2n² - 2n + 3

Is this sequence

2,4,7,11,16,22,...

• a quadratic sequence

• a geometric sequence

• an arithmetic sequence