Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 2; square matrix
B. 4 × 2; none of these
C. 2 × 4; none of these
D. 8; none of these
Answer: B
Mathematics
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Find the center-radius form of the circle described or graphed.
A. (x + 5)2 + (y + 4)2 = 2 B. (x - 5)2 + (y - 4)2 = 4 C. (x - 5)2 + (y - 4)2 = 2 D. (x + 5)2 + (y + 4)2 = 4
Mathematics
Factor the trinomial, or state that the trinomial is prime.10x2 + 21x + 9
A. (2x - 3)(5x - 3) B. (2x + 3)(5x + 3) C. (10x + 3)(x + 3) D. prime
Mathematics
Graph the function.y = 3 tan(4x)
A. 
B. 
C. 
D. 
Mathematics
Verify the identity.
= 
What will be an ideal response?
Mathematics