Ahyperbola centered at the origin has a vertex at (3, 0) and a focus of the hyperbola is located at (9, 0). what are the equations of the directrices?
x = â±

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

Find the value of the variable and the length of each chord for #5 and #6.