Difference between revisions of "2022 AMC 8 Problems/Problem 2"
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a \, \bigstar \, b &= (a - b)^2 | a \, \bigstar \, b &= (a - b)^2 | ||
\end{align*}</cmath> | \end{align*}</cmath> | ||
| − | What is the | + | What is the output of <math>(5 \, \blacklozenge \, 3) \, \bigstar \, 6?</math> |
<math>\textbf{(A) } {-}20 \qquad \textbf{(B) } 4 \qquad \textbf{(C) } 16 \qquad \textbf{(D) } 100 \qquad \textbf{(E) } 220</math> | <math>\textbf{(A) } {-}20 \qquad \textbf{(B) } 4 \qquad \textbf{(C) } 16 \qquad \textbf{(D) } 100 \qquad \textbf{(E) } 220</math> | ||
Revision as of 22:37, 15 January 2023
Problem
Consider these two operations:
What is the output of 
Solution
We have
~pog
Video Solution
https://www.youtube.com/watch?v=Ij9pAy6tQSg&t=91 ~Interstigation
Video Solution 2
~savannahsolver
Video Solution
https://youtu.be/Q0R6dnIO95Y?t=53
~STEMbreezy
See Also
| 2022 AMC 8 (Problems • Answer Key • Resources) | ||
| Preceded by Problem 1 |
Followed by Problem 3 | |
| 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 AJHSME/AMC 8 Problems and Solutions | ||
The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions. 
