Find the center and radius of the circle.x2 + y2 = -4x + 0
A. (2, 0), r = 2
B. (-2, 0), r = 4
C. (-2, 0), r = 2
D. (2, 0), r = 4
Answer: C
Mathematics
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A. No B. Yes
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Verify the identity.tan ? ? csc ? = sec ?
What will be an ideal response?
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Solve.A new piece of equipment cost a company $44,000. Each year, for tax purposes, the company depreciates the value by 25%.What value should the company give the equipment after 8 years?
A. $3 B. $5873 C. $1 D. $4405
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Find the standard form of the equation of the hyperbola satisfying the given conditions.Endpoints of transverse axis: (-7, 0), (7, 0); foci: (-11, 0), (-11, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics