Factor the polynomial as a perfect square or state that it is irreducible.16x2 + 40x + 25
A. (4x + 5)(4x - 5)
B. (4x - 5)2
C. (4x - 6)2
D. (4x + 5)2
Answer: D
Mathematics
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Combine like terms, if possible.4t + 4 - 4t
A. 4 B. 8t C. 8t + 4 D. -8t + 4
Mathematics
Perform the indicated operation and simplify. Write the answer in the form a + bi.(-4 - 4i) - (5 - i)
A. -9 + 3i B. -9 - 3i C. -9 - 4i D. 9 + 3i
Mathematics
Determine whether the statement is true or false.The fractions 
, 
, and 
are all equivalent.
A. True B. False
Mathematics
Evaluate the factorial expression.
A. 90
B. 2!
C. 10
D. 
Mathematics