Expression 2: "x" equals 2 left parenthesis, "y" minus 20 , right parenthesis squared minus "k"x=2y−202−k
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" plus StartFraction, 325 Over 16 , EndFractionx−142+y−4122=32k+32516