Find the directrices of the ellipse. +  = 1

A. y = ± 
B. y = -8 ± 
C. x = 8 ± 
D. y = -8 ± 


Answer: B

Mathematics

You might also like to view...

Sketch the graph of a function y = f(x) that satisfies the given conditions.f(0) = 0, f(1) = 6, f(-1) = 6, f(x) = -6.

What will be an ideal response?

Mathematics

Graph the function.f(x) = 3

A.

B.

C.

D.

Mathematics

Fill in the blank with the appropriate measurement relationship.1 ton =  lb

Fill in the blank(s) with the appropriate word(s).

Mathematics

Sketch the graph of the equation. Identify the vertex and the intercepts.y = x2 - 2x + 6

A. vertex: (1, -1);
x-intercepts: (0, 0) and (2, 0);
y-intercept: (0, 0)

B. vertex: (1, -5);
x-intercepts: none;
y-intercept: (0, -6)

C. vertex: (1, 5);
x-intercepts: none;
y-intercept: (0, 6)

D. vertex: ;
x-intercepts: (1, 0) and (6, 0);
y-intercept: (0, 6)

Mathematics