Graphing conic sections Determine whether the following equations describe a parabola, an ellipse, or a hyperbola, and then sketch a graph of the curve. For each parabola, specify the location of the focus and the equation of the directrix; for each ellipse, label the coordinates of the vertices and foci, and find the lengths of the major and minor axes; for each hyperbola, label the coordinates of the vertices and foci, and find the equations of the asymptotes. 28. 12 x 2 + 5 y 2 = 60
Graphing conic sections Determine whether the following equations describe a parabola, an ellipse, or a hyperbola, and then sketch a graph of the curve. For each parabola, specify the location of the focus and the equation of the directrix; for each ellipse, label the coordinates of the vertices and foci, and find the lengths of the major and minor axes; for each hyperbola, label the coordinates of the vertices and foci, and find the equations of the asymptotes. 28. 12 x 2 + 5 y 2 = 60
Solution Summary: The author analyzes whether the equation 12x2+5y
Graphing conic sections Determine whether the following equations describe a parabola, an ellipse, or a hyperbola, and then sketch a graph of the curve. For each parabola, specify the location of the focus and the equation of the directrix; for each ellipse, label the coordinates of the vertices and foci, and find the lengths of the major and minor axes; for each hyperbola, label the coordinates of the vertices and foci, and find the equations of the asymptotes.
28. 12x2 + 5y2 = 60
Curve that is obtained by the intersection of the surface of a cone with a plane. The three types of conic sections are parabolas, ellipses, and hyperbolas. The main features of conic sections are focus, eccentricity, and directrix. The other parameters are principal axis, linear eccentricity, latus rectum, focal parameter, and major and minor axis.
Write an equation for the graph shown below.
5
4
3
2
1
-5-4-3-2-1
-1
1 2 3 4 5
f(x) =
-2
-3
-4
-5
1. We want to graph the function
f(x) log4 x. In a table below,
=
find at three points with nice
integer y-values (no rounding!) and
then graph the function at right. Be
sure to clearly indicate any
asymptotes. (4 points)
3
2
1-
-1
0
1
2
3
4 5
10
X
log4(x)
-1
-2
-3-
6 7
8
00
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