Quadratic Sequence

nth term in the form 6,8,14,24,38 in an²+bn+c

Which of the following functions represents f(n), the number of small squares in figure n?

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Which of the following equations describes the relationship for the values in the table?

Which of the following expressions represents the pattern?

• n

• n + 2

• n²

• n² + 2

Which of the following expressions represents the pattern?

• n

• n + 2

• n²

• n² + 2

Which of the following expressions represents the pattern?

• 3n + 1

• 2n + 2

• n² + 4

• n² - 7

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

Find the first 4 terms of sequence 2n² + 2

• 4, 10, 20, 34

• 4, 8, 12, 16

• 1, 5, 9, 13

• 2,4,6,8

Find the nth term of the sequence:

• 5n² + 5n + 4

• n² + 5n + 4

• n² + 4n + 4

• n² + 4n + 5

What is the second difference of this sequence (what are you adding on each time)

• + 4

• + 8

• + 12

• + 16