Let and . Determine the real number such that…

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Let A=[1−2340−1]A = \begin{bmatrix} 1 & -2 & 3 \\ 4 & 0 & -1 \end{bmatrix} and B=[2−4680−2]B = \begin{bmatrix} 2 & -4 & 6 \\ 8 & 0 & -2 \end{bmatrix}. Determine the real number kk such that kA=BkA = B. (a) −2-2 (b) 22 (c) 12\dfrac12 (d) 11

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