You reflect triangle PQR, with vertices P(-2, -4), Q(-3, -1), and R(-4, -4), across the y-axis to get triangle P′Q′R′. What are the coordinates of triangle P′Q′R′? A. P′(-2, 4), Q′(-3, 1), R′(-4, 4) B. P′(2, -4), Q′(3, -1), R′(4, 4) C. P′(-2, 4), Q′(-3, 1), R′(4, -4) D. P′(2, -4), Q′(3, -1), R′(4, -4)

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A: k=7/3

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A: A detailed solution is given below.

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