# Write the equation of the line that is perpendicular

The equation of a line perpendicular to a given line ax + by + c = 0 is bx – ay + λ = 0, where λ is constant. Proof : Let m 1 be the slope of the given line and m 2 be the slope of a line

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## Parallel & perpendicular lines

Finding the equation of a line perpendicuThe is the line, the is the slope of thSolving with One Point and an Equation Simplify the equation of the line. If y See more

## ACT Math : How to find the equation of a perpendicular line

Write the equation of a line that is perpendicular to the line $$y = \frac{1}{4} x - 3$$ at the point (-4, -4). Show Answer

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