Question

The graph of a pair of linear equations a₁x + b₁y = c₁, and a₂x + b₂Y = c₂ in two variables x and y represents parallel lines, if ______.

Options

• `a_1/a_2 ≠ b_1/b_2`

• `a_1/a_2 = b_1/b_2 = c_1/c_2`

• `a_1/a_2 ≠ b_1/b_2 = c_1/c_2`

• `a_1/a_2 = b_1/b_2 ≠ c_1/c_2`

Answer 1

The graph of a pair of linear equations a₁x + b₁y = c₁, and a₂x + b₂Y = c₂ in two variables x and y represents parallel lines, if `\underlinebb(a_1/a_2 = b_1/b_2 ≠ c_1/c_2)`.