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    Question

    A line passes through the points (2, 3) and (5, тИТ3).

    Find its equation.
    A 5x + 3y тИТ 7 = 0 Correct Answer Incorrect Answer
    B 2x + y тИТ 7 = 0 Correct Answer Incorrect Answer
    C 2x + 2y тИТ 7 = 0 Correct Answer Incorrect Answer
    D 2x + y тИТ 5 = 0 Correct Answer Incorrect Answer

    Solution

    Slope m = (тИТ3 тИТ 3)/(5 тИТ 2) = тИТ6/3 = тИТ2 Equation in point-slope form: y тИТ 3 = тИТ2(x тИТ 2) y тИТ 3 = тИТ2x + 4 2x + y тИТ 7 = 0

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