SOLUTION: find the equation (in any correct form) of a straight line through (-5,2) which is perpendicular to the line whose equation is 4x+7y=9

SOLUTION: find the equation (in any correct form) of a straight line through (-5,2) which is perpendicular to the line whose equation is 4x+7y=9

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Question 548755: find the equation (in any correct form) of a straight line through (-5,2) which is perpendicular to the line whose equation is 4x+7y=9
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
to find a perpendicular line; swap the x and y coefficients and change one of the signs
___ substitute the given point to find the new constant term

7x - 4y = ? ___ 7(-5) - 4(2) = -43

7x - 4y = -43
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