Find the equation of the circle that satisfies the following conditions. Express the final equation in the form x2 + y2 + Dx + Ey + F = 0.Center at (0, –1) and r = 6
A. x2 + y2 - 2y - 37 = 0
B. x2 + y2 - 2y + 1 = 0
C. x2 + y2 + 2y - 35 = 0
D. x2 + y2 + 2y + 1 = 0
Answer: C
Mathematics
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Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.10.8, 15.3, 48.6, 45.1, 21.3, 19.9
A. 4320.2 B. 15.98 C. 46.9 D. 5596.4
Mathematics
Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Mathematics
Multiply.(
+ 
)(
- 
)
A. 
+ 
+ 
+ 17
B. 
+ 
+ 
- 17
C. 
+ 
- 
+ 17
D. 
+ 
- 
- 17
Mathematics
Find the equation of the tangent line at the given value of x on the curve.y
= 4, x = 3
A. y = 
x + 
B. 2y = - 
x + 
C. 2y = 
x + 
D. y = - 
x + 
Mathematics