Find an equation for the ellipse described.Foci at (0, ±2); y-intercepts are ±8
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
You might also like to view...
Solve the problem.For the equation y = - 
sin(4x + 3?), identify (i) the amplitude, (ii) the phase shift, and (iii) the period.
A.
| (i) 2 | (ii) 3? | (iii)  |
B.
(i)  | (ii) -  | (iii) 4 |
C.
(i)  | (ii) -  | (iii)  |
D.
(i) -  | (ii) -  | (iii) 4 |
Provide an appropriate response.Find an equation of the least squares linear regression line of y on x for the data in the table below. Predict the value of y corresponding to x = 1.5.
Recall a = 
and b = 
What will be an ideal response?
Use the distributive property to write the expression without parentheses. Then simplify, if necessary.4(4r + 9 + 7s)
A. 16r + 36 + 28s B. 16r + 9 + 28s C. 16r + 9 + 7s D. 16r + 36 + 7s
In order to prepare her budget, Sue gathers receipts for all major expenses she has had over the last month. Round the figure to the nearest dollar.Groceries, $355.03
A. $354 B. $356 C. $355 D. $355.10