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Which rows form the coefficient matrix for 2x + 3y = 5 and x - 4y = 9?
A(2, 3) and (-4, 1)
B(2, 1) and (3, -4)
C(5, 9) and (2, 1)
D(2, 3) and (1, -4)
Answer & Solution
Correct answer: D. (2, 3) and (1, -4)
Each row lists the coefficients of x and y of one equation: (2, 3) and (1, -4).
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