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Name01
6 tháng trước

Tập nghiệm của phương trình 4x – y = -1 được biểu diễn bằng đường thẳng A. y = 4x - 1 B. y = - 4x - 1 C. y = 4x + 1 D. y = - 4x + 1

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hoang1o1o1
6 tháng trước

Đáp án:

$C.$

Giải thích các bước giải:

$4x – y = -1\\ \Leftrightarrow  – y =-4x -1\\ \Leftrightarrow   y =4x +1$

Tập nghiệm của phương trình $4x – y = -1$ được biểu diễn bằng đường thẳng $ y =4x +1.$

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