Difference between revisions of "2000 AMC 10 Problems/Problem 12"
(New page: We have a recursion: <math>A_n=A_{n-1}+4(n-1)</math>. I.E. we add increasing multiples of <math>4</math> each time we go up a figure. So, to go from Figure 0 to 100, we add <math>4 \cd...) |
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| + | ==Problem== | ||
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| + | ==Solution== | ||
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We have a recursion: | We have a recursion: | ||
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B. | B. | ||
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| + | ==See Also== | ||
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| + | {{AMC10 box|year=2000|num-b=11|num-a=13}} | ||
Revision as of 18:44, 8 January 2009
Problem
Solution
We have a recursion:
.
I.E. we add increasing multiples of 
each time we go up a figure.
So, to go from Figure 0 to 100, we add
.
B.
See Also
| 2000 AMC 10 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 11 |
Followed by Problem 13 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AMC 10 Problems and Solutions | ||
