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Coordinate Geometry

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by swerve » Thu Oct 01, 2020 10:11 am

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A

B

C

D

E

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\(y = mx − 7\)
\(y = 12x + b\)
\(y = x + 1\)

If the three lines above all intersect at exactly one point, what is the value of \(m+b\)?

1) The x-coordinate at the point where all three lines meet is 8
2) The y-coordinate at the point where all three lines meet is 9

The OA is D

Source: Veritas Prep
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