9 Answered Questions for the topic Ellipses
To 2 decimal places, what is the value of d?
An ellipse has equation ax2+by2=c where a = 20, b = 45 and c = 232. One of the vertices, (0, d), lies on the positive y-axis. To 2 decimal places, what is the value of d?
Find exact equation of tangent line and normal line
find equation of tangent line and normal line given x2/25 + y2/9 = 1 with coordinates (5sqrt(2)/2, 3sqrt(2)/2)
The equation 4x^2+9y^2-36y = 0 defines a shifted ellipse. Write this equation in the standard form, find the center, focus, vertices of this ellipse, the lengths of major and minor axes and sketch... more
An arch is in the form of a semi-ellipse whose span is 24 feet wide. The height of the arch is 10 feet. Find the equation of the ellipse.
A. x2/24 + y2/10 = 1B. x2/144 + y2/100 = 1C. x2/100 + y2/576 = 1D. x2/576 - y2/100 = 1
I need help with ellipses and graphing them. Help would be appreciated
standard form of 3x^2+5y^2-12x+30y+42=0
write the equation of an ellipse centered at the origin that has a horizontal major axis, e=1/2, and 2c=1
how do I solve this, write an equation of an ellipse center at the origin that has a horizontal major axis,e=1/2,and 2c=1
Given the Ellipses formula, I need help in how to solve for b^2.
x^2/a^2 + y^2/b^2 = 1 solve for b^2
Find the vertices, foci and eccentricity of the ellipse. 9x2 + y2 = 81
Find the vertices, foci and eccentricity of the ellipse. 9x2 + y2 = 81 I would like to see the steps and the answer to better understand it
Vertex at (0,5); co-vertex at (1,0)
Write an equation in standard form for the ellipse with the center at the origin