P
(
1
,
4
)
2x
-
7y
+
3
=
0
d
=
l
____________________
(
1
)
+
(
-
7
)
(
____________________
)
+
____________________
/
raíz
(
2
)
al
cuadrado
+
(
-
____________________
)
al
cuadrado
d
=
____________________
-
____________________
+
____________________
/
raíz
de
____________________
+
49
d
=
____________________
/
raíz
de
53
d
=
____________________
/
____________________
.
____________________
d
=
____________________
.
____________________
unidade
s
