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DATOS PERSONALES:
 Alumnas:
 Gonzales Reyes Angi
 Llatas Nizama Nayira
 Roman Barboza Maricielo
 Montalvan Valdera Goretty
 Profesora:
 Maria Elena Falla Juarez
 Área:



Matemática
POSICIONES RELATIVAS DE DOS RECTAS EN EL PLANO
1)COMO SON PERPENDICULARES EL PRODUCTO DE LAS PENDIENTES ES IGUAL A- 1
M1.M2=1
TE DAN COMO DATO QUE LA SUMA DE LAS PENDIENTES ES
M1+ M2 = O
AHORA BUSCAMOS VALORES PARA M-1 Y M2
M1.M2 =-1
M1+M2=0
BUSCANDO M1 =-1 Y M2 =1
2) ¿ES POSIBLE QUE LA RECTA DE DOS PENDIENTES DE RECTAS PERPENDICULARES SEA 0?
NO, PORQUE SOLO SERÁN RECTAS PERPENDICULARES SI Y SOLO SI EL PRODUCTO DE SUS PENDIENTES ES 1 (M1 . M2=-1)
3) LAS ECUACIONES Y=5X-3 E Y = 5X + 2 REPRESENTAN ALAS GRAFICAS DE LAS RECTAS PARALELAS.
EXPLICA COMO PODRÍAS DETERMINAR QUE DOS RECTAS SON PARALELAS SIN NECESIDAD DE
GRAFICARLAS .
SE PODRÍA SABER CON TAN SOLO AVERIGUAR SUS PENDIENTES ; Y SI SON IGUALES SUS PENDIENTES
ENTONCES SABREMOS QUE LA GRAFICA SERÁN RECTAS PARALELAS , SIN TENER QUE GRAFICAR
EJM:
DE LAS ECUACIONES DADAS
M1-5
M2=5
M1=M2
5=5
LAS PENDIENTES SON IGUALES ENTONCES SON RECTAS PARALELAS .
4) OBTÉN LAS ECUACIONES GENERALES DE LAS RECTAS E INDICA CUALES SON PARALELAS Y CUALES SON
PERPENDICULARES
L1: Y = X +3 PORQUE : L1
POR LO TANTO : Y = AX + B
Y = 4 X=1
Y=A X + B
Y = ( 1) X (3)
Y = AX + B
3=A (0)+B
Y=X+3
4 = A (1 ) + ( 3 )
3=B
1=A#
5) DADAS SUS ECUACIONES AVERIGUA SI CADA PAR DE RECTAS SON PARALELAS O PERPENDICULARES
A) L1 :3X - Y -2 = 0 Y L2 : Y/3 -X = 1/3
L1 : Y =3X – 2
LOS PENDIENTES SON IGUALES M1 = M2 => 3= 3
L2 : Y = 3X + 1
ENTONCES SON PARALELAS L2 : -3X – 6 -2Y = 0
B) L1 : 3Y – 2X = 12 Y L2 : -3X -6 – 2Y = 0
L1 : Y = 2X/3 + 4
L1 + L2
L2 : Y -3/2X + 3
M1 . M2 = -1
(2/3 ) . (3/2 )
C) DIRECTO :
L1 : Y = 8X – 1
L1 // L2
L2 : Y = 8X - 3
M1 =M2
8=8
D) L1 : Y = 2/5X + 2
L1 / L2
L2 : Y = -5/2X – 4
(2/5 ) . (-5/2 ) = -1
6) RELACIONA DATOS Y ESCRIBE LA ECUACIÓN PRINCIPAL DE LA RECTA QUE PASA POR EL PUNTO DE DADO Y
ES PARALELA A LA RECTA.
ES PARALELA A LA RECTA L1. ENTONCES M = M1 ; L // L2
A) M (5, ½) ; L1 : 2X – Y = 0
L1 : Y = 2X
M = M1 =2
Y – Y1= M1 ( X-X1)
Y–½=2(X–5)
Y – ½ = 2X – 10
2Y - 1/ 2 = 2X- 10
2Y – 1 = 2 (2X – 10 )
2Y -1 = 4X – 20
2Y – 1= 4X – 19
Y = 4X-19 / 2
Y = 4X /2 – 19 / 2
Y = 2X – 19 / 2
B ) H( 7; -4 ) , L1: 3X – 6- 2Y = 0
L1: Y = 6X +4 / 5
Y = 6X / 6 + 4 /5
M = M1 = 6/5
( Y – Y1 ) = M1 ( X –X1 )
Y – (-4) = 6/5 – 42/5
Y = 6X/5 – 42/5
Y = 6X/5 – 62/5
C ) N ( -5 ; -3 ) , L1 : 3Y X – 2 =0
Y = X/3 + 2/3
M = M1 = 1/3
Y –Y1 = M1 ( X- X1 )
Y – (-3) = 1/3 ( X – ( -5 )
Y + 3 = 1/3 (X+5)
Y + 3 = X /3 + 5 /3
Y = X/3 + 5/3 – 9/3
Y = X/3 – 4/3
D) R ( -4 ; 2) , L1 : 7Y – 6X + 17 =0
L1: Y = 6X/7 . 17/7
M = M1 = 6/7
Y-Y1 = M1 ( X – X1 )
Y-2 = 6/7 ( X – (-4))
Y-2 = 6/7 ( X +4 )
Y – 2 = 6X/7 + 24/7
Y=6X/7 + 24/ + 14/7
Y = 6X/7 + 38/7 #
7) RELACIONA DATOS Y ESCRIBE LA ECUACIÓN PRINCIPAL DE LA RECTA QUE PASA POR P Y ES
PERPENDICULAR A LA RECTA L1 .
A) P( 1;3), L1 :2X – 8 = 6Y
L1: Y = -2X/6 + 8/6
L1 : Y = -1/3 + 4/3
M . M1 = -1
-1/3 . M1 =-1
M1 = 3
Y-Y1 = M1 (X – X1 )
Y - (-3 ) = 3 ( X -1 )
Y + 3 = 3X – 3
Y = 3X – 6
B ) P ( 2;5 ) ; L1 : -5X + 4Y – 6 = 0
L1 : Y = 5X / + 6/4
Y= 5X/4 + 3/2
M.M1 = -1
5/4 . M1 =-1
M1 = -4/5
Y – Y1 = M1 ( X – X1 )
Y – 5 = -4X/ 5 + 8/5
Y = -4X/5 + 8/5 + 25/5
Y = -4X / 5 + 33/5 #
C ) P (-2;3) , L1 : 3X – 5 = 4Y
L1 : Y = 3X /4 – 5/4
M.M1 = -1
3 /4 . M 1 = -1
M1 = -4 / 3
Y – Y1 = M1 (X – X1 )
Y – 3 = -4X / 3 ( X – (-2))Y-3 = -4X/3 -8 /3
Y = -4X / 3 - 8/3 + 9/3
Y = 4X/3 + 1/3
8) DETERMINA EL VALOR DE K PARA Q LAS RECTAS L1 ; KX + Y – 6 =0 Y L2 : 2X – 2K =0 SEA PARALELAS.
L1 : KX + Y – 6 = 0
L1 : Y = -KX + 6
L2 : 2X – Y + 2K = 0
L2 : Y = 2X + 2K
DATO : PARA QUE SEAN PARALELAS
M1 = M2
(-K) = (2)
K = -2#
9) ¿ PARA QUE VALOR DE K LA RECTA 3X + 2Y – 5 = 0 ES PERPENDICULAR A LA RECTA KX – 5Y + 8 =0?
L1 : KX – 5Y + 8 = 0
L2 : Y = KX / 5 + 8/5
DATO : PARA QUE SEAN POR PERPENDICULARES
M1 . M2 = -1
-3/2 . K/X - = -1
-3K /10 = -1
3K = 10
K = 10 / 3
10 ) COMPRUEBA QUE LAS RECTAS L1 ; Y – 2X + 1 = 0 , ……….
PARALELO GRAMA : ES TODO CUADRILÁTERO QUE TIENE PARALELOS SUS LADOS OPUESTOS . EJM
( CUADRADO , RECTÁNGULO , ROMBO , ETC ).
SE FORMAN PARALELOS
L1 Y L3 SON PARALELOS : L1 : Y = 2X – 1
M1 = M3 =2
L3 : Y = 2X + 7
L2 Y L4 SON PARALELAS :L2 : Y 2X / 5 + 19 / 5
M2 = M4 = 2/5
L4 : Y 2X /5 + 3 /5
POR LO TANTO EN EL TABLERO SE CORTARAN L1 // L3 Y L2 // L4 EN CUALQUIER PUNTO FORMADO
UN PARALELOGRAMA.

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ملزمة الرياضيات للصف السادس العلمي الاحيائي - التطبيقي
 

Posiciones relativas de dos rectas en el plano

  • 1. DATOS PERSONALES:  Alumnas:  Gonzales Reyes Angi  Llatas Nizama Nayira  Roman Barboza Maricielo  Montalvan Valdera Goretty  Profesora:  Maria Elena Falla Juarez  Área:  Matemática
  • 2. POSICIONES RELATIVAS DE DOS RECTAS EN EL PLANO 1)COMO SON PERPENDICULARES EL PRODUCTO DE LAS PENDIENTES ES IGUAL A- 1 M1.M2=1 TE DAN COMO DATO QUE LA SUMA DE LAS PENDIENTES ES M1+ M2 = O AHORA BUSCAMOS VALORES PARA M-1 Y M2 M1.M2 =-1 M1+M2=0 BUSCANDO M1 =-1 Y M2 =1 2) ¿ES POSIBLE QUE LA RECTA DE DOS PENDIENTES DE RECTAS PERPENDICULARES SEA 0? NO, PORQUE SOLO SERÁN RECTAS PERPENDICULARES SI Y SOLO SI EL PRODUCTO DE SUS PENDIENTES ES 1 (M1 . M2=-1) 3) LAS ECUACIONES Y=5X-3 E Y = 5X + 2 REPRESENTAN ALAS GRAFICAS DE LAS RECTAS PARALELAS. EXPLICA COMO PODRÍAS DETERMINAR QUE DOS RECTAS SON PARALELAS SIN NECESIDAD DE GRAFICARLAS . SE PODRÍA SABER CON TAN SOLO AVERIGUAR SUS PENDIENTES ; Y SI SON IGUALES SUS PENDIENTES ENTONCES SABREMOS QUE LA GRAFICA SERÁN RECTAS PARALELAS , SIN TENER QUE GRAFICAR EJM: DE LAS ECUACIONES DADAS M1-5 M2=5 M1=M2 5=5 LAS PENDIENTES SON IGUALES ENTONCES SON RECTAS PARALELAS . 4) OBTÉN LAS ECUACIONES GENERALES DE LAS RECTAS E INDICA CUALES SON PARALELAS Y CUALES SON PERPENDICULARES L1: Y = X +3 PORQUE : L1 POR LO TANTO : Y = AX + B Y = 4 X=1 Y=A X + B Y = ( 1) X (3) Y = AX + B 3=A (0)+B Y=X+3 4 = A (1 ) + ( 3 ) 3=B 1=A#
  • 3. 5) DADAS SUS ECUACIONES AVERIGUA SI CADA PAR DE RECTAS SON PARALELAS O PERPENDICULARES A) L1 :3X - Y -2 = 0 Y L2 : Y/3 -X = 1/3 L1 : Y =3X – 2 LOS PENDIENTES SON IGUALES M1 = M2 => 3= 3 L2 : Y = 3X + 1 ENTONCES SON PARALELAS L2 : -3X – 6 -2Y = 0 B) L1 : 3Y – 2X = 12 Y L2 : -3X -6 – 2Y = 0 L1 : Y = 2X/3 + 4 L1 + L2 L2 : Y -3/2X + 3 M1 . M2 = -1 (2/3 ) . (3/2 ) C) DIRECTO : L1 : Y = 8X – 1 L1 // L2 L2 : Y = 8X - 3 M1 =M2 8=8 D) L1 : Y = 2/5X + 2 L1 / L2 L2 : Y = -5/2X – 4 (2/5 ) . (-5/2 ) = -1 6) RELACIONA DATOS Y ESCRIBE LA ECUACIÓN PRINCIPAL DE LA RECTA QUE PASA POR EL PUNTO DE DADO Y ES PARALELA A LA RECTA. ES PARALELA A LA RECTA L1. ENTONCES M = M1 ; L // L2 A) M (5, ½) ; L1 : 2X – Y = 0 L1 : Y = 2X M = M1 =2 Y – Y1= M1 ( X-X1) Y–½=2(X–5) Y – ½ = 2X – 10 2Y - 1/ 2 = 2X- 10 2Y – 1 = 2 (2X – 10 ) 2Y -1 = 4X – 20 2Y – 1= 4X – 19 Y = 4X-19 / 2 Y = 4X /2 – 19 / 2 Y = 2X – 19 / 2
  • 4. B ) H( 7; -4 ) , L1: 3X – 6- 2Y = 0 L1: Y = 6X +4 / 5 Y = 6X / 6 + 4 /5 M = M1 = 6/5 ( Y – Y1 ) = M1 ( X –X1 ) Y – (-4) = 6/5 – 42/5 Y = 6X/5 – 42/5 Y = 6X/5 – 62/5 C ) N ( -5 ; -3 ) , L1 : 3Y X – 2 =0 Y = X/3 + 2/3 M = M1 = 1/3 Y –Y1 = M1 ( X- X1 ) Y – (-3) = 1/3 ( X – ( -5 ) Y + 3 = 1/3 (X+5) Y + 3 = X /3 + 5 /3 Y = X/3 + 5/3 – 9/3 Y = X/3 – 4/3 D) R ( -4 ; 2) , L1 : 7Y – 6X + 17 =0 L1: Y = 6X/7 . 17/7 M = M1 = 6/7 Y-Y1 = M1 ( X – X1 ) Y-2 = 6/7 ( X – (-4)) Y-2 = 6/7 ( X +4 ) Y – 2 = 6X/7 + 24/7 Y=6X/7 + 24/ + 14/7 Y = 6X/7 + 38/7 #
  • 5. 7) RELACIONA DATOS Y ESCRIBE LA ECUACIÓN PRINCIPAL DE LA RECTA QUE PASA POR P Y ES PERPENDICULAR A LA RECTA L1 . A) P( 1;3), L1 :2X – 8 = 6Y L1: Y = -2X/6 + 8/6 L1 : Y = -1/3 + 4/3 M . M1 = -1 -1/3 . M1 =-1 M1 = 3 Y-Y1 = M1 (X – X1 ) Y - (-3 ) = 3 ( X -1 ) Y + 3 = 3X – 3 Y = 3X – 6 B ) P ( 2;5 ) ; L1 : -5X + 4Y – 6 = 0 L1 : Y = 5X / + 6/4 Y= 5X/4 + 3/2 M.M1 = -1 5/4 . M1 =-1 M1 = -4/5 Y – Y1 = M1 ( X – X1 ) Y – 5 = -4X/ 5 + 8/5 Y = -4X/5 + 8/5 + 25/5 Y = -4X / 5 + 33/5 # C ) P (-2;3) , L1 : 3X – 5 = 4Y L1 : Y = 3X /4 – 5/4 M.M1 = -1 3 /4 . M 1 = -1 M1 = -4 / 3
  • 6. Y – Y1 = M1 (X – X1 ) Y – 3 = -4X / 3 ( X – (-2))Y-3 = -4X/3 -8 /3 Y = -4X / 3 - 8/3 + 9/3 Y = 4X/3 + 1/3 8) DETERMINA EL VALOR DE K PARA Q LAS RECTAS L1 ; KX + Y – 6 =0 Y L2 : 2X – 2K =0 SEA PARALELAS. L1 : KX + Y – 6 = 0 L1 : Y = -KX + 6 L2 : 2X – Y + 2K = 0 L2 : Y = 2X + 2K DATO : PARA QUE SEAN PARALELAS M1 = M2 (-K) = (2) K = -2# 9) ¿ PARA QUE VALOR DE K LA RECTA 3X + 2Y – 5 = 0 ES PERPENDICULAR A LA RECTA KX – 5Y + 8 =0? L1 : KX – 5Y + 8 = 0 L2 : Y = KX / 5 + 8/5 DATO : PARA QUE SEAN POR PERPENDICULARES M1 . M2 = -1 -3/2 . K/X - = -1 -3K /10 = -1 3K = 10 K = 10 / 3
  • 7. 10 ) COMPRUEBA QUE LAS RECTAS L1 ; Y – 2X + 1 = 0 , ………. PARALELO GRAMA : ES TODO CUADRILÁTERO QUE TIENE PARALELOS SUS LADOS OPUESTOS . EJM ( CUADRADO , RECTÁNGULO , ROMBO , ETC ). SE FORMAN PARALELOS L1 Y L3 SON PARALELOS : L1 : Y = 2X – 1 M1 = M3 =2 L3 : Y = 2X + 7 L2 Y L4 SON PARALELAS :L2 : Y 2X / 5 + 19 / 5 M2 = M4 = 2/5 L4 : Y 2X /5 + 3 /5 POR LO TANTO EN EL TABLERO SE CORTARAN L1 // L3 Y L2 // L4 EN CUALQUIER PUNTO FORMADO UN PARALELOGRAMA.