Crossword clues for X and Y:Y=XBasic linear expression with a hint to answering the five starred clues in this puzzleSAMEDIFFERENCEx - y = x - yTERMSx and y in "x + y"DIVISORIn x ÷ y, yABCSThey end with "x, y, z"ZAXISIt's perpendicular to the x-y plane (8th)ZEEX Y & ___ (Elizabeth Taylor movie)AXESx, y and sometimes zGENShortened word before X, Y or ZGENX, Y or ZALGEBRAx + y = z math branchPARABOLACurve such as y = x squaredGENWord before X, Y or ZAXESx, y and z on a graph, perhapsVOLW-X-Y-Z for an encyclopedia, maybe: Abbr.MATHEXAMIt might involve x, y and zAXESx, y, and z in mathVITAMINA, B or C, but not X, Y or ZOPENSET(x, y), in mathGENWhat comes before X, Y and ZTESLASS, X, Y, and 3AXISX, Y or ZBINOMIALSx + y and suchONESlope of the line y = x - 17,602AXESX, Y, and ZAXISX, Y or Z lineGENLead-in to X, Y or ZGRAPHSSome have x, y and z axesUNKNOWNSThey're often represented by x, y and zAXISx, y or z, on a 3-D graphALGEBRAx + y = z studyMALESEXWhat X + Y signifiesAXISx, y or z, in geometryNOTEA, B or C, but not X, Y or ZSET{x, y, z}, for exampleGENLead-in to X, Y, and ZGENX, Y, or Z introAXISx, y or z followerONEDLike the x-, y- or z-axisNOTESA, B and C, but not X, Y and ZMOUSEDevice patented in 1970 as an "X-Y position indicator for a display system"LINEy = x, e.g.ONEThe slope of y = x + 2GENWord before X, Y, or ConLETTERX, Y or Z.GENLead-in to X, Y, or AlphaGENPreceder of X, Y or ZLOWERCASELETTERx, y or zAXISLine labelled x, y, or z, in mathAXESX, Y and Z, usually