1) find an equation in standard form for the hyperbola with vertices at (0, ±2) and foci at (0, ±11).
2) find an equation in standard form for the hyperbola with vertices at (0, ±2) and foci at (0, ±11).
3)eliminate the parameter.
x = t - 3, y equals two divided by quantity t plus five
4)the height of the tunnel at the center is 58 ft, and the vertical clearance must be 29 ft at a point 21 ft from the center. find an equation for the ellipse.
5)determine if the graph is symmetric about the x-axis, the y-axis, or the origin.
r = 4 cos 5θ