Find the eccentricity of the ellipse.16x2 + y2 = 16
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use the linear approximation (1 + x)k ? 1 + kx, as specified.Estimate 
.
A. 1.02 B. 1.002 C. 1.003 D. 1.03
Mathematics
Solve the equation.(2x + 3)1/2 - (x + 1)1/2 = 1
A. {3} B. {-3, -1} C. ? D. {3, -1}
Mathematics
Solve using elimination.
A. x = 0, y= -8; x = 0, y = 8 or (0, -8), (0, 8) B. x = 0, y= -3; x = 0, y = 3 or (0, -3), (0, 3) C. x = -8, y= 0; x = 8, y = 0 or (-8, 0), (8, 0) D. No real solution exists.
Mathematics
Solve the quadratic equation. Write the answer in simplest form.2x2 = 22
A. {-
, 
}
B. {12}
C. {11}
D. {-11, 11}
Mathematics