cactusscc
[4_07]Choose the equation of the line passing through the point (4, 2) and perpendicular to y = x  7.



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sritama
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the equation of any line perpendicular to y = x  7 is x+y=k

sritama
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as it passes through (4,2) the points will satisfy the equation, 42=k

cactusscc
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there is a fraction before x which is 1/3

sritama
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so,the equation is x+y=2

sritama
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what are the options?

cactusscc
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y = 3x  14
y = 3x  10
y = 3x + 10
y = 3x + 14

sritama
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check your question please..are you sure you have posted it correctly?

cactusscc
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[4_07]Choose the equation of the line passing through the point (4, 2) and perpendicular to y =1/3
x  7.

sritama
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the 3rd one

cactusscc
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[4_07]Choose the equation of the line passing through the point (2, 4) and perpendicular to y = 1/2x + 4.

cactusscc
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the next one

cactusscc
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please help

sritama
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y=2x+8