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# A coordinate geometry question?

The straight line L has the equation 2y-x+7 = 0.

The straight line L2 passes through the point P(-1,6) and is perpendicular to L.

Find the equation of L2, giving your answer in the form ax+by+c=0

### 1 Answer

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- DavidLv 74 weeks ago
Slope of line L: 1/2

Perpendicular slope of L2: -2

Passing through: (-1, 6)

Perpendicular equation: 2x +y -4 = 0

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