Which equation matches the given calculator-generated graph and description? Decide without using your calculator.
Ellipse; foci (0, ±4)
A. 
- 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
Mathematics
You might also like to view...
Graph the parabola whose equation is given.f(x) = x2 - 1
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Find a cofunction equivalent to tan 
.
A. csc 
B. tan 
C. cot 
D. cot 
Mathematics
Find an equation in slope-intercept form (where possible) for the line.Through (2, 0) and (-3, -8)
A. y = - 
x - 
B. y = 
x - 
C. y = 
x - 
D. y = - 
x - 
Mathematics
Using the grid provided, sketch the graph of the given function in the interval (-5, 5) and then determine the x-intercepts, if any.
A. (-3,0) and (1,0)
B. (-2,0)
C. (-2,0) and (2,0)
D. no x-intercepts
E. (-4,0), (0,0), and (4,0)
Mathematics