The equation of a line through (3, –4) and perpendicular to the line 3x + 4y = 5 is
A
4x + 3y = 24
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B
y – 4 = (x + 3)
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C
3y – 4x = 24
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D
y+4=43(x−3)
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Solution
The correct option is Dy+4=43(x−3) Slope of the given line is −34. So the slope of the required line will be 43
The required equation, which passes through (3, –4) and its gradient is 43, is (y+4)=43(x−3).