Solve the radical equation.
- 
= 1
A. {3}
B. {-3, -1}
C. {3, -1}
D. no real solution
Answer: C
Mathematics
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Find an equation of the circle with the given center and radius.Center at (-3, 2); radius = 9
A. (x + 3)2 + (y - 2)2 = 81 B. (x - 2)2 + (y + 3)2 = 9 C. (x - 3)2 + (y + 2)2 = 81 D. (x + 2)2 + (y - 3)2 = 9
Mathematics
Solve the equation.4y - 9 + y = 21 + 3y - 4y
A. 5
B. 2
C. 3
D. 
Mathematics
Solve the problem.Find the sum of the first 5 terms of the geometric sequence 
, 
, 
, . . . .
A. 
B. 
C. 
D. 21
Mathematics
Solve the equation.
= 
A. 
B. 
C. 
D. 
Mathematics