22.09.2013 Views

NÅGRA KOMMENTARARER TILL LÖSNINGARNA

NÅGRA KOMMENTARARER TILL LÖSNINGARNA

NÅGRA KOMMENTARARER TILL LÖSNINGARNA

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

5354e<br />

− 3x+ 3y− 15= 0<br />

3y= 3x+ 15<br />

y = x+<br />

5<br />

k = 1 m=<br />

5<br />

5355a<br />

2x− y+<br />

3= 0<br />

y= 2x+ 3<br />

k = 2 m=<br />

3<br />

5355e<br />

5x− y=<br />

0<br />

y = 5x<br />

k = 5 m=<br />

0<br />

5355i<br />

6y− 18= 0<br />

6y= 18<br />

y = 3<br />

k = 0 m=<br />

3<br />

5356<br />

L1y = 4x−3 2<br />

L2y =− x+<br />

2<br />

3<br />

L3y = 4x<br />

L y =− 4x+ 5<br />

4<br />

5357<br />

a) y =− x+<br />

4<br />

b) 2<br />

y = x+<br />

2<br />

3<br />

c) 3<br />

y = x−3<br />

5<br />

LÖSNINGAR DEL B<br />

5354 f<br />

− 6x+ 2y+ 36= 0<br />

2y = 6x−36 y = 3x−18 k = 3 m=−18<br />

5355b<br />

3x− y−<br />

5= 0<br />

y = 3x−5 k = 3 m=−5<br />

5355 f<br />

12x− 4y= 0<br />

4y= 12x<br />

y= 3x<br />

k = 3 m=<br />

0<br />

5355 j<br />

3x− 6= 0<br />

3x= 6<br />

x = 2<br />

k = ej definierat<br />

Linjen skär ej x-axeln<br />

L5y = 4x+ 7<br />

L6y =−4x<br />

L7 2<br />

y = x<br />

3<br />

5355c<br />

4x− 2y+ 6= 0<br />

2y= 4x+ 6<br />

y= 2x+ 3<br />

k = 2 m=<br />

3<br />

5355g<br />

5x+ 4y = 0<br />

4y =−5x<br />

5<br />

y =− x<br />

4<br />

5<br />

k = − m=<br />

0<br />

4<br />

L8 3<br />

y= − x−2<br />

2<br />

L9 2<br />

y =− x<br />

3<br />

L10 4<br />

y= 4x+<br />

3<br />

5355d<br />

9x−3y− 27= 0<br />

3y= 9x−27 y = 3x−9 k = 3 m=−9<br />

5355h<br />

y + 12 = 0<br />

y =−12<br />

k = 0 m=−12<br />

1 3 5 10<br />

4 6<br />

102<br />

L L L L<br />

( k = 4)<br />

L2 L9 ⎛ 2 ⎞<br />

⎜k =− ⎟<br />

⎝ 3 ⎠<br />

L L ( k =−4)

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!