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The line y+2x=bis perpendicular to a lin...

The line `y+2x=b`is perpendicular to a line that passes through the origin. If the two lines intersect at the point `(k+2, 2k)`, what is the value of k?

A

`-(3)/(2)`

B

`-(2)/(3)`

C

`(2)/(5)`

D

`(2)/(3)`

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The correct Answer is:
D
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