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Examen de 4º de ESO del T6
- 1. džĂŵĞŶ dϲ ϰǑ ^K ŽƉĐ͘ ĞƉĂƌƚĂŵĞŶƚŽ ĚĞ DĂƚĞŵĄƚŝĐĂƐ
/͘ ͘^͘ ,ƵĞƌƚĂ ZŽƐĂƌŝŽ
EŽŵďƌĞ LJ ĂƉĞůůŝĚŽƐ͗ͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺ ƵƌƐŽ͗ͺͺͺͺͺͺ &ĞĐŚĂ͗ͺͺͺͺͺͺͺ ŶǑ ĚĞ ĨŽůŝŽƐ͗ͺͺͺͺ
(QFXHQWUD XQD VROXFLyQ DSUR[LPDGD FRQ XQ GHFLPDO GH ݔହ ൌ ͶͲͲ QR YDOH FDOFXODU GLUHFWDPHQWH OD
UDt] TXLQWD GHO QXPHUR HQ FXHVWLyQ FRQ OD FDOFXODGRUD
5HVXHOYH ODV VLJXLHQWHV HFXDFLRQHV
െʹሺʹ ݔെ ͵ሻ ͳ ൌ ݔെ ͵
ሺ௫ିଵሻమ
ݔሺʹ ݔ ͳሻ െ ൌ͵
ଶ
ݔሺ ݔଶ െ Ͷሻሺʹ ݔଶ ͳͲݔሻ ൌ Ͳ
ξ ݔ ͳ െ ͵ ൌ ݔെ ͺ
ଵ ଵ ଷ
మൌ
௫ ௫ ସ
(QFXHQWUD OD VROXFLyQ R VROXFLRQHV GH ORV VLJXLHQWHV SUREOHPDV FRPSUXHED TXH VRQ ODV YHUGDGHUDV
$QD WLHQH DxRV PiV TXH 5DTXHO HQWUH ODV GRV VXPDQ DxRV ¢4Xp HGDG WLHQH FDGD XQD"
(O SURGXFWR GH GRV Q~PHURV FRQVHFXWLYRV HV ¢4Xp Q~PHURV VRQ"
1RWDV
• 1R VH SXHGH XVDU QL OiSL] QL EROtJUDIR URMR QL WtSH[ (O XVR GH FXDOTXLHUD GH HOORV DQXODUi OD
SUHJXQWD GRQGH DSDUH]FDQ
• +DEODU DQWHV GH TXH WRTXH HO WLPEUH VXSRQGUi XQ VXVSHQVR LQPHGLDWR GHO H[DPHQ
• 1R VH SXHGH LQWHUFDPELDU PDWHULDO (O KDFHUOR VXSRQGUi XQ VXVSHQVR LQPHGLDWR GHO H[DPHQ
• &DGD SUHJXQWD WLHQH OD PLVPD SXQWXDFLyQ HV GHFLU · SXQWRV
![džĂŵĞŶ dϲ ϰǑ ^K ŽƉĐ͘ ĞƉĂƌƚĂŵĞŶƚŽ ĚĞ DĂƚĞŵĄƚŝĐĂƐ
/͘ ͘^͘ ,ƵĞƌƚĂ ZŽƐĂƌŝŽ
EŽŵďƌĞ LJ ĂƉĞůůŝĚŽƐ͗ͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺͺ ƵƌƐŽ͗ͺͺͺͺͺͺ &ĞĐŚĂ͗ͺͺͺͺͺͺͺ ŶǑ ĚĞ ĨŽůŝŽƐ͗ͺͺͺͺ
(QFXHQWUD XQD VROXFLyQ DSUR[LPDGD FRQ XQ GHFLPDO GH ݔହ ൌ ͶͲͲ QR YDOH FDOFXODU GLUHFWDPHQWH OD
UDt] TXLQWD GHO QXPHUR HQ FXHVWLyQ FRQ OD FDOFXODGRUD
5HVXHOYH ODV VLJXLHQWHV HFXDFLRQHV
െʹሺʹ ݔെ ͵ሻ ͳ ൌ ݔെ ͵
ሺ௫ିଵሻమ
ݔሺʹ ݔ ͳሻ െ ൌ͵
ଶ
ݔሺ ݔଶ െ Ͷሻሺʹ ݔଶ ͳͲݔሻ ൌ Ͳ
ξ ݔ ͳ െ ͵ ൌ ݔെ ͺ
ଵ ଵ ଷ
మൌ
௫ ௫ ସ
(QFXHQWUD OD VROXFLyQ R VROXFLRQHV GH ORV VLJXLHQWHV SUREOHPDV FRPSUXHED TXH VRQ ODV YHUGDGHUDV
$QD WLHQH DxRV PiV TXH 5DTXHO HQWUH ODV GRV VXPDQ DxRV ¢4Xp HGDG WLHQH FDGD XQD"
(O SURGXFWR GH GRV Q~PHURV FRQVHFXWLYRV HV ¢4Xp Q~PHURV VRQ"
1RWDV
• 1R VH SXHGH XVDU QL OiSL] QL EROtJUDIR URMR QL WtSH[ (O XVR GH FXDOTXLHUD GH HOORV DQXODUi OD
SUHJXQWD GRQGH DSDUH]FDQ
• +DEODU DQWHV GH TXH WRTXH HO WLPEUH VXSRQGUi XQ VXVSHQVR LQPHGLDWR GHO H[DPHQ
• 1R VH SXHGH LQWHUFDPELDU PDWHULDO (O KDFHUOR VXSRQGUi XQ VXVSHQVR LQPHGLDWR GHO H[DPHQ
• &DGD SUHJXQWD WLHQH OD PLVPD SXQWXDFLyQ HV GHFLU · SXQWRV](https://image.slidesharecdn.com/exament6-120311114311-phpapp01/85/examen-de-4-de-eso-del-t6-1-320.jpg)
