Two mark example problem IV — task. Mathematics State Board, Class 10.

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Show that the straight lines \(x - 2y + 3 = 0\) and \(6x + 3y + 8 = 0\) are perpendicular.

Answer:

Slope of \(x - 2y + 3 = 0\) is

\frac{i}{i}

Slope of \(6x + 3y + 8 = 0\) is .

Since \(m_1 \times m_2\) , then the given lines are .

Did you find an error?

7. Two mark example problem IV