SOLUTION: A. Transform 4x-8y=13 to slope intercept form B. What is the slope of the line perpendicular to the one in A if it goes through the point (-11,17)?

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Question 818302: A. Transform 4x-8y=13 to slope intercept form
B. What is the slope of the line perpendicular to the one in A if it goes through the point (-11,17)?

Answer by TimothyLamb(4379)   (Show Source): You can put this solution on YOUR website!
L1:
4x - 8y = 13
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8y = 4x - 13
y = (4/8)x - (13/8)
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L1 in slope-intercept form:
y = (1/2)x - (13/8)
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What is the slope of the line L2 perpendicular to line L1?
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perpendicular lines have negative reciprocal slopes, so:
slope of L2 = -1/(1/2)
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slope of L2 = -2
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