Graph the ellipse and locate the foci.4x2 + 16y2 = 64
A. foci at (0, 2
) and (0, -2
)
B. foci at (
, 0) and (-
, 0)
C. foci at (2
, 0) and (-2
, 0)
D. foci at (2
, 0) and (-2
, 0)
Answer: D
Mathematics
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. 
saddle point; 
saddle point
B. 
local maximum
C. 
local maximum; 
local minimum
D. 
local minimum
Mathematics
Solve the initial value problem.
= 10t + sec2 t, r(-?) = 2
A. r = 10t2 + tan t + 2 - 10?2 B. r = 5t2 + tan t + 2 - 5?2 C. r = 5t2 + cot t + 2 - 5?2 D. r = 10 + tan t - 8
Mathematics
Write an equation for the parabola.
A. (y + 4)2 = 4(x - 2) B. (x + 4)2 = 4(y - 2) C. (x - 4)2 = 4(y + 2) D. (y + 2)2 = 4(x - 4)
Mathematics
Find the number of terms in the arithmetic sequence.6, 13, 20, . . . , 174
A. 24 B. 26 C. 25 D. 23
Mathematics