Mathematics, 23.09.2021 14:50 charliesteioff14
Cho hàm số y = −x + 2 có đồ thị là (d1) và hàm số y = 2x + 3 có đồ thị là (d2).
a) Vẽ (d1),(d2) trên cùng hệ trục tọa độ Oxy.
b) Cho đường thẳng (d3) : y = mx−m+ 2 với m 6= 0. Tìm m để (d3) cắt (d1) tại điểm A, biết điểm A thuộc trục hoành.
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Cho hàm số y = −x + 2 có đồ thị là (d1) và hàm số y = 2x + 3 có đồ thị là (d2).
a) Vẽ (d1),(d2) tr...
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