2021 AIME I Problem 15 | Desmos

Expression 2: "x" equals 2 left parenthesis, "y" minus 20 , right parenthesis squared minus "k" Has graph. To audio trace, press ALT+T.

2

Expression 3: left parenthesis, "x" minus 1 quarter , right parenthesis squared plus left parenthesis, "y" minus 41 halves , right parenthesis squared equals 3 halves "k" minus 400 plus StartFraction, 1 Over 16 , EndFraction plus 1681 quarters Has graph. To audio trace, press ALT+T.

3

Expression 4: "k" equals 5

0

300

4

5

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