**TI83F* AppVariable file 03/22/07, 09:50 GLPA07þnav AEC13267AEFC43F88E67E1C0E88B5B83GLPA07.#GLPA071  constant of variationGconstant of variation:ÖThe number k in an equation of the form Öy = kx. direct variation?direct variation:ÖAn equation of the form Öy = kx, where k = 0. functionjfunction:ÖA relation in which exactly one element of the range is paired with each element of the domain.Ö linear equationllinear equation:ÖAn equation in the form Ax + By = C, where A  0 and B  0, whose graph is a straight line. rate of change3rate of change:ÖThe change in a quantity over time. slope]!¥slope:ÖThe ratio of the change in the y-coordinates (rise) to the corresponding change in the x-coordinates (run) as you move from one point to another along a line. slope-intercept formislope-intercept form:ÖAn equation of the form Öy = mx + b, where m is the slope and b is the y-intercept. vertical line testIvertical line test:ÖA test used to determine if a relation is a function.   y-interceptEy-intercept:ÖThe y-coordinate at which a graph intersects the y-axis.8`! q øà !Àp 0 Ð < p80 À < à0 Àp RÀ ’ à2 ’ Â Œ c ü@žyçŸðªXf@ ଒Š@ ¨’Š@ Fše  0  È ‚ ÿÿÿÿÿÿÿÿÿÿþ  Ž €  0à Á43€"#FR›!RlERª J`ñÀà5*™„I@ ñ J2aÀ0  ! 0!ÀÀ ÎyÎsœæ 0$\€€Á€$1ÌÌ€@&JI*”€,À%JQ*”€0@u2\ÊÊ@8@ € †`P ÊS`øªU@p¥S0 ¹Ì