Find the foci of the ellipse.49x2 + 16y2 = 784
A. (0, ±7)
B. (0, ±4)
C. (±
, 0)
D. (0, ±
)
Answer: D
Mathematics
You might also like to view...
Graph the inequality.3x + y ? 4
A. 
B. 
C. 
D. 
Mathematics
Convert the constraints into linear equations by using slack variables.Maximize z = 2x1 + 8x2Subject to: x1 + 6x2 ? 15 7x1 + 5x2 ? 25 x1 ? 0, x2 ? 0
A. x1 + 6x2 = s1 + 15 7x1 + 5x2 = s2 + 25 B. x1 + 6x2 + s1 ? 15 7x1 + 5x2 + s2 ? 25 C. x1 + 6x2 + s1 = 15 7x1 + 5x2 + s2 = 25 D. x1 + 6x2 + s1 ? 15 7x1 + 5x2 + s2 ? 25
Mathematics
Find the midpoint of the segment with the given endpoints.(-6.5, 6.2) and (-3.8, 3.2)
A. 
B. 
C. 
D. 
Mathematics
Express the angle in radian measure in terms of ?.570°
A. 
B. 
C. 
D. 
Mathematics