PRECALCULUS SUMMATIVE #2

 Identify the focus and directrix of each. 6) x( y)   7) x( y)   A) Focus:   ,  ( ) A) Focus: ,( )    Directrix: x Directrix: y   B) Focus:   ,  ( ) B) Focus:  (   , )   Directrix: x Directrix: x   C) Focus: ,    ( ) C) Focus:  (   , )   Directrix: y Directrix: x   D) Focus: ,   ( ) D) Focus: ,( )    Directrix: y Directrix: y     8) x( y)  9) x( y)  A) Focus:    ,  ( ) A) Focus: ( )   ,    Directrix: x Directrix: x   B) Focus: ,    ( ) (  B) Focus:  ,   )   Directrix: y Directrix: x   C) Focus:   ,  ( ) ( C) Focus: ,    )   Directrix: x Directrix: y   D) Focus: ,    ( ) ( D) Focus: ,    )   Directrix: y Directrix: y   ©2 h2R002i1r tKFuhtCaS 8SuoOfztMw2a0r5e7 qLOLtCV.X K 5A8lTlW ermiLg6hgtNsT JrNeSsaedrKvFeYd7.a q tMNaedAe9 9wligt3h8 5IFnUf2i4nLiBtmeE jAilygoeFbGrKa4 O2R.z -2- Worksheet by Kuta Software LLC

  10) x ( y)    A) Focus:    ,  ( )  Directrix: x  B) Focus: ,    ( )  Directrix: y   C) Focus:  ,   ( )  Directrix: x   D) Focus:  ,   ( )  Directrix: x  Use the information provided to write the vertex form equation of each parabola. 11) Vertex at origin, Focus: ,  ( )   ( ) 12) Vertex at origin, Focus: ,   A) y x  B) x y  A) y( x)   C) y( x)   D) y x  B) y x   C) y( x)  D) y x  13) Vertex at origin, Focus: , ( )   ( 14) Vertex at origin, Focus: ,    )  A) y x  B) y x  A) y x   C) y x  D) y x   B) x y    C) y ( x)     D) y x   ©2 r2e0t2Q1U CKfuEtNaB 0SyoIfst5wba7rJe2 ELILICK.k t TAAlMlR mrMi5gQhPtssJ Lr2ewsIeHrgvXeTdP.T Y XMlaBdweh 7wniPtHh9 zI1n8f9iAnXiHtUe4 BA3lLgBexbUrmaq Z2L.B -3- Worksheet by Kuta Software LLC

 15) Vertex at origin, Focus: ,  ( )   16) Vertex: (, ), Focus: , ( )      A) y( x)  A) y x  B) y x    B) y( x)     C) y( x)   C) y x  D) y  x    D) y( x)   17) Vertex: (, ), Focus: , ( )   ( ) 18) Vertex: (, ), Focus: ,   A) y( x)   A) y( x)   B) y( x)   B) y( x)     C) y( x)  C) y( x)    D) y( x)  D) y( x)  19) Vertex: (, ), Focus: (, ) A) y  (x)  ( ) 20) Vertex: (, ), Focus: ,     A) y( x)    B) y( x)   B) y ( x)   C) y( x)     C) y ( x)  D) y( x)      D) y ( x)   ©8 K2T072j1z nKIuYtraI HSIoIfJt1w7aurrec WL4LhCy.r x fAtlFlZ Fr8isgBh3tlsc lr4e8s4eorCvreZdL.Y Q vMQapdxeA uwgiRtEhn NItnjfFiWn3iDtSe5 LAilogPeAbfrzaN Y2j.7 -4- Worksheet by Kuta Software LLC

 21) 22) y y             x        x                    A) y( x)  A) y( x)    B) y( x)  B) y( x)  C) y( x)   C) y x   D) y( x)   D) y( x)   23) 24) y y          x             x               A) x( y)   A) y( x)  B) x( y)   B) y( x)   C) x( y)    C) y( x)  D) x( y)    D) y( x)  ©9 Z2f0H2L1Y SKmu8tlah 0Sao5fitJwKauroev HLiLNCE.w L yA3lDlC er6iOglhhtmsM orVeysReJrQvCe6dM.Q b zM6andCeG IwFirtdhS WIynbf0iBnvimtPev dAOlogueSbfrfaJ s2R.h -5- Worksheet by Kuta Software LLC

 25) y         x          A) x( y)  B) x( y)   C) x( y)   D) x( y)   ©R v2K0y2K1t VKZu1tvaT aSjoVfZtuwRaUrxeT LLTLfCm.z X pAClUlW mrDipguhVtvs5 WrTepsHesrSvUezdE.J K gMmapdUeS wwAiVtRhR OIBncfEiun6iOtley cATlAg5esbgrhaf k23.l -6- Worksheet by Kuta Software LLC