Question 1161329: Is it A? I want to check my answer.
Amy was playing with blocks and started with one blue square block and kept adding more blocks to create the following pattern sequence:
How many blocks would she need on the 10th step of the pattern?
A. 21
B. 33
C. 37
D. 262,144
The pattern for the question and the question itself is provided in the link here: https://i.imgur.com/RnjtnUp.png
Found 2 solutions by math_helper, MathTherapy:
Answer by math_helper(2461)   (Show Source):
You can put this solution on YOUR website!
It looks as the pattern (in terms of number of little squares) is: 1, 5, 9, 13, 17, 21, ... (for each step, there are 4 more squares than the previous step).
I only went 6 steps to get to 21, so A is not right.
Answer by MathTherapy(10552)  (Show Source):
You can put this solution on YOUR website! Is it A? I want to check my answer.
Amy was playing with blocks and started with one blue square block and kept adding more blocks to create the following pattern sequence:
How many blocks would she need on the 10th step of the pattern?
A. 21
B. 33
C. 37
D. 262,144
The pattern for the question and the question itself is provided in the link here: https://i.imgur.com/RnjtnUp.png
No, I'm afraid it's NOT CHOICE A!!
Term of an A.P.: 
Do you now think you can find the correct answer?
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