What comes next in the sequence 0.25, 2.25, 6.25, 12.25, ?

A18.25

B19.25

C16.25

D20.25 ✓ Correct

Correct answer: (D) 20.25

Explanation

The next term is 20.25.

these equal (0.5)^2, (1.5)^2, (2.5)^2, (3.5)^2.

the next base is 4.5.

(4.5)^2 = 20.25.

differences 2, 4, 6, 8 confirm this.

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