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In this lesson, we will learn how to find the Cartesian equation of a straight line in space.

Q1:

Find the direction vector of the straight line .

Q2:

Q3:

Q4:

Q5:

Which of the following is a Cartesian equation for a straight line that passes through the point with direction vector ?

Q6:

Q7:

Q8:

Find the Cartesian form of the equation of the straight line passing through the points ( − 7 , − 3 , − 7 ) and ( − 3 , − 1 0 , − 4 ) .

Q9:

The straight line that passes through the point 𝐴 ( 5 , − 4 ) is perpendicular to the vector ⃑ 𝑢 = ( 5 , 2 ) . Find the Cartesian equation of the line.

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