9. (4 points) Let u = [-1,2] and u = [3,-5] in R2 and let T : R2 -＞ R? R? be a linear transformation such that T'(u) = [-2,1,0] and T(b)= (5,-7,1]. Let [a11 a12] A= a21 022 Q31 be the standard matrix representation of T. Which of the following is TRUE?
(A)aL=0
(B)az=1
(C)az=-2
(D)azz=1

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