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zarkam21:
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zarkam21:
Vocaloid:
part I) the vertices are on the y-axis so we would say it's oriented along the y-axis
Vocaloid:
part II) center is midpoint of vertices as usual
zarkam21:
(0,0)
zarkam21:
and then -5 5
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zarkam21:
or would it be 5 0
Vocaloid:
for ellipses, a is half the major axis
since the major axis is the distance between the vertices, what is a?
zarkam21:
5
Vocaloid:
good, a is 5, and since they give us the minor axis (8) b is just (1/2) of 8 which is 4
so part III) a = 5 b = 4
Vocaloid:
part IV) the center is (0,0) so the values of h and k are 0 and 0
plug a and b into this equation|dw:1519173722150:dw|
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Vocaloid:
|dw:1519173727176:dw|
zarkam21:
wait h and k is 0 right
Vocaloid:
yes
zarkam21:
y^2/25-x^2/16=1
zarkam21:
i did the same process as before
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Vocaloid:
a is 5 b is 4, just switch the denominators
zarkam21:
got it
Vocaloid:
also this is an ellipse not a hyperbola, there needs to be a + sign not a - sign
Vocaloid:
x^2/16+ y^2/25 = 1
your equation
zarkam21:
perfect ! =) Thank you so much that is what I got
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