Number 16 from worksheet
Number 21 from worksheet
Number 23 from worksheet
Given slope of asymptote and the
center of hyperbola find the y-intercept
Use given information to find
the difference of the focal radii.
16) Foci (0, 2) (0, ­2); absolute value of the difference of focal radii = 2
center = ( )
Hyperbola opens ?
up and down
2a = 2
a = a 2 = Which means y is the positive term
"c" the distance to the foci is 2
c2 =
Final equation
y2 Title: Apr 15­9:24 AM (1 of 5)
Remember c2 = a2 + b2
Number 21 from worksheet
Vertices (4, ­1) and (­12, ­1); slope of one asymptote is ­ 1
Title: Feb 23­7:30 AM (2 of 5)
Number 23 from worksheet
Foci (­3, 5) and (­3, 9); slopes of asymptotes 1 and ­1
Title: Feb 23­8:48 AM (3 of 5)
Given slope of asymptote and the
center of hyperbola find the y-intercept
m=
Center (
b=
3
1
Title: Feb 23­8:49 AM (4 of 5)
Use given information to find
the difference of the focal radii.
Foci (0, 4) (0, 10), V (0, 6); focal radii =
Title: Apr 18­8:00 AM (5 of 5)