Find the eccentricity of the ellipse or hyperbola.x2 + 25y2 = 25
A. 
B. 2
C. 
D. 
Answer: A
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Determine the intervals on which the following polynomial is entirely negative and those on which it is entirely positive.
A. entirely negative: 
; entirely positive: 
B. entirely negative: 
; entirely positive: 
C. entirely negative: 
; entirely positive: 
D. entirely negative: 
; entirely positive: 
E. entirely negative: 
; entirely positive: 
Identify the specified numbers.The irrational numbers in the following list:4, 
, -14, 0, 
, 
, 0.44
A. 
, 
B. 
C. 
, 
, 0.44
D. 
, 0.44
LetU = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set.C - A
A. {q, s, u, v, x, z} B. {v, x, z} C. {w, y} D. {q, s, u}
Use a cubic or quartic regression (as specified) to fit a curve through the points given in the table. Round to the nearest hundredth.
(Quartic)
A. y ? -0.01x4 + 0.09x3 - 0.08x2 - 0.23x + 3.23 B. y ? -0.01x4 + 0.29x3 - 0.06x2 - 0.23x + 3.23 C. y ? -0.01x4 + 0.29x3 - 0.16x2 - 0.23x + 2.26 D. y ? 0.01x4 - 0.09x3 - 0.08x2 - 0.23x + 3.23