Trabajo 2.docx

  • Uploaded by: Juan José
  • 0
  • 0
  • December 2019
  • PDF

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA


Overview

Download & View Trabajo 2.docx as PDF for free.

More details

  • Words: 616
  • Pages: 5
ECUACIONES DE SEGUNDO GRADO 1)

X ( 2 X−3 )−3 ( 5− X )=83 2

2 X −3 X −15+3=83 2

2 X −15−83=0 2

2 X −98=0

X 2=

98 2

X ±=√ 49 X=−7 Ó X =+7

{−7,7 } 2)

( 2 x +5 ) ( 2 x−5 )=11 4 x 2−10 x +10 x−25=11 4 x 2−25−11=0 x 2=

36 4

±

x={−3,3 }

x = √9 3)

( 7+ x )2−( 7−x )2=130 2

2

49+14 x + x +49−14 x + x =130 2

2 x +98−130=0

x 2=

32 2

±

x = √16 x= {−4,4 } 4)

( 2 x −3 ) (3 x−4 )−( x−13 ) ( x−4 )=40 6 x 2−8 x−9 x+ 12−( x 2−4 x−13 x+52 ) 40 2

2

6 x −17 x+12−x +17 x−52=40 5 x2 −40=40 x 2=16 x={−4,4 } 5)

( 3 x−4 ) ( 4 x−3 )−( 2 x −7 ) ( 3 x −2 )=214

12 x 2−9 x−16 x +2−( 6 x 2−4 x−21 x +14 ) =214 12 x 2−25 x +12−6 x 2 +25−14=214 2

6 x −2=214 x 2=36 x ± √ 36 x ={−6,6 }

INECUACIONES DE PRIMER GRADO I.

4 x −2 ( x−3 ) ≥ 0 4 x −2 x +6 ≥ 0

x≥

6 x=−3 2

-

-3

+

←3, ∞+¿ II.

1 1 x−3> x−1 2 3 1 1 x= x+ 4 2 3 ¿

4 =24 1 6

-

+24

+

¿ 24, ∞+ ¿ III.

3 1 ( x−1 )−2 ≤ x−1 2 3 3 −3 1 x− 1∗2= x −1 2 2 3 3 +5 = 2 2 x=

IV.

-

15 7

←∞ ,

15/17

+

+3

+

15 17

5 x−2 ( x +3 ) ≤ x 5 x−2 x−6 ≤ x 5 x−3 x ≤+6 x≤

-

6 2

←∞ ,3

-

12

+

x≤3 V.

3 1 x−1≤ +2 4 2 1 =3 4 x=

3 x=12 1 4

←∞ ,12>¿

INECUACIONES DE SEGUNDO GRADO I.

2

X − X−6> 0 x−3 ; x−2 x=3 ; x=−2 c.s. ←∞ ,2>∪<3, ∞+¿

-

-2

+3

+

3 x2 11 x+ 6<0

( 3 x−2 ) , ( x−3 ) 2 x= ; x=3 3 c.s. ¿

-

2/3

3

+

2 , 3>¿ 3

x 2−8 x+12> 0

( x−6 ) , ( x−2 ) -

x=6 x=2

2

6

+

c.s. ←∞ ,2>∪< 6, ∞+ ¿

2 x 2 +5 x−3<0 x+ 3 ,2 x−1

x=−3 x =

1 2

1 c . s←3, >¿ 2

-

-3

1/2

+

2

x −6 x+ 8>0

( x−2 ) ( x−4 ) x=2 , x =4

-

+2

+4

+

c.s. ←∞ ,2>∪< 4, ∞→

INECUACIONES DE ORDEN SUPERIOR 3

2

x −5 x +6 x ≥0

x ( x 2−5 x−16 ) x ( x−3 )( x−2 ) c.s

-

[ 0,2 ] ∪ [ 3, ∞+ ¿

x 2< 9 x x ±=√ 9 x=−3 x =+ 3 c.s. ←∞ ,−3>∪< 3 ∞+ ¿

0

-

+2

+3

-3

+

+3

+ +

x (¿¿ 2−x −2)( x )≥ 0 ¿

( x−2 ) , ( x +1 ) , ( x−4 ) x=2 ; x=−1 ; x=4 c.s.

-1

2

4

+

4, ∞+¿ [ −1,2 ] ∪¿

x ( x−1)2>0 x> 0 ( x−1 ) 0

c.s ¿ 0, ∞+ ¿ {−3 }

+

( x+ 1 )( x +3 )2 ( x +7 )5 ( x−2 )

-

-1

+2

7

+

( x+ 1 )( x−7 )5 ( x−2 ) ≥ 0 x=−1; x=7 ; x=2

c . s . [ −1,2 ] ∪ [ 7+ ∞+ ¿

Related Documents

Trabajo
June 2020 10
Trabajo
May 2020 13
Trabajo
April 2020 17
Trabajo
June 2020 12
Trabajo
June 2020 14
Trabajo
May 2020 18

More Documents from ""

Freindship
October 2019 124
October 2019 155
Industria Iso099.docx
November 2019 83
S2.pdf
December 2019 90
Humn1.docx
December 2019 93