Factor completely, or state that the polynomial is prime.x2 - 4x + 4
A. (x + 2)2
B. prime
C. (x - 2)(x + 2)
D. (x - 2)2
Answer: D
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 problem.How many different sequences of 4 digits are possible if the first digit must be 3, 4, or 5 and if the sequence may not end in 000? Repetition of digits is allowed.
A. 1512 B. 2999 C. 2000 D. 2997
Mathematics
Find the sum of the arithmetic sequence.{-5n + 1}, n = 47
A. -5193.5 B. -5475.5 C. -5593 D. -5358
Mathematics
Solve.x2 + x + 3 = 0
A. 
B. 
C. 
D. 
Mathematics