The hyperbola foci is at and
and asymptote line is
The - coordinates of the foci are equal.
The standard form of the hyperbola has a horizontal transverse axis is .
Where is the center.
is the distance between center and vertex.
is the distance between center and focus and
.
The distance between center and foci is .
The extensions of the diagonals of the rectangle are the asymptotes of the hyperbola
\Asymptotes of the hyperbola are .
Compare the asymptote with general form.
Substitute and
in
.
\ \
. \ \
Substitute in
. \ \
. \ \
Substitute and
in
. \ \
. \ \
Therefore, the equation of the hyperbola is .
\ \
The foci of the hyperbola is . \ \
Substitute . \ \
The foci is at and
. \ \
The vertices of hyperbola is . \ \
Substitute . \ \
The vertices are and
.
Find the points above and below the center by susbtituting in
. \ \
\ \
\ \
. \ \
The points above and below center are and
.
\ \
Graph : \ \
\(1) Draw the coordinate plane. \ \
\(2) Draw the equation of the hyperbola. \ \
\(3) Plot the center, foci and vertices. \ \
\(4) Form a rectangle containing the points ,
,
and
. \ \
(5) Draw the asymptotes of the hyperbola. \ \
\The equation of the hyperbola is . \ \
Graph of the hyperbola: \ \
\.