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prettygirl1053480
08.11.2019 •
Mathematics
Plz an ellipse has vertices of (5, 0) and (–5, 0) and covertices of (0, 2) and (0, –2). use the given information to answer the questions about the ellipse. on which line will the foci be graphed? the foci are located at about . what type of lines will the directrices be? the directrices are located at about .
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Ответ:
foci line will be graphed on y=0
foci are located at (4.58,0) and (-4.58,0)
lines are both vertical
and directrics are located at x=5.46 and x=-5.46
Step-by-step explanation:
Ответ:
hope this helps
Step-by-step explanation:
Given hyperbola has a horizontal transverse axis with center at the origin.
Its standard form of equation: (x^2/a^2)-(y^2/b^2)=1
(h,k)=coordinates of center
center:(0,0)
b=2
b^2=4
c=5
c^2=25
c^2=a^2+b^2
a^2=c^2-b^2=25-4=21
equation: (x^2/21)-(y^2/4)=1
Ответ:
it has a slope equal to 1 and passes through the origin. All the other linear functions are derived from this parent function.
So, the correct answer to this question is option B