Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x2 + 20x + 21
A. prime
B. (x + 21)(x - 1)
C. (x + 21)(x + 1)
D. (x + 7)(x + 3)
Answer: A
Mathematics
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Solve the given differential equation.
+ 16y = 0
A. y = c1 sin 4x + c2 cos 4x B. y = (c1 + c2x)e-4x C. y = c1 sin 4x + c2x cos 4x D. y = (c1 + c2x)e4x
Mathematics
Decide whether or not the ordered pair is a solution of the system.(-6, -1)4x + y = -233x + 4y = -14
A. Yes B. No
Mathematics
Determine the row operation that was used on the first matrix to obtain the second matrix.
, 
What will be an ideal response?
Mathematics
Perform the matrix operation.Let A =
and B = 
. Find 3A + B.
A. 
B. 
C. 
D. 
Mathematics