Question

The equation of line c is x–2y=20. Line d is parallel to line c and passes through ( – 8,3). What is the equation of line d?

Answer 1

x -2y = -14

Explanation:

You want the equation of the line through (-8, 3) that is parallel to x-2y=20.

Parallel line

The equation of the parallel line will have a different right-side constant. The value of that constant can be found by substituting the point coordinates into the equation:

x -2y = c

(-8) -2(3) = c = -14 . . . . . . . using (x, y) = (-8, 3)

The equation of line d is x -2y = -14.

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