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The hyperbola equation is
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hyperbola equation | \
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Direction of transverse axis | horizontal | vertical |
Equations of asymptotes |  | \
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- Where, "a " is the number in the denominator of the positive term, If the x - term is positive, then the hyperbola is horizontal
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- a = semi - transverse axis , b = semi - conjugate axis
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- Center: (0, 0 )
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- Vertices: (a, 0 ) and (
a, 0 ) \
- Foci: (c, 0 ) and (
c, 0 ) \
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The hyperbola equation is
.
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Rewrite the equation as :
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Compare the above equation with
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a = semi - transverse axis = 3,
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b = semi - conjugate axis = 5,
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Center : (h, k ) = (0, 0), Vertices : (a, 0 ) and (
a, 0 ) = (3, 0) and (
3, 0)
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(Substitute : a = 3 and b = 5)
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Foci : (c, 0 ) and (
c, 0 ) =
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Asymptotes of hyperbola are :
.
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(Substitute : h = 0, k =0 , a = 3, and b = 5)
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Graph of hyperbola:
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- Draw the coordinate plane.
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- Plot the center of hyperbola (0, 0).
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- To graph the hyperbola go 5 units up and down from center point and 3 units left and right from center point.
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- Use these points to draw a rectangle .
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- Draw diagonal lines through the center and the corner of the rectangle. These are asymptotes.
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- The graph approaches the asymptotes but never actually touches them.
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- Draw the curves, beginning at each vertex separately, that hug the asymptotes the farther away from the vertices the curve gets.
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- Plot the vertices and foci of hyperbola.
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The center of the hyperbola is (0, 0), vertices are
, foci are
,
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asymptotes of the hyperbola are
, and the graph is shown below :
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