turkey-yks 2016 Q40

turkey-yks · Other · ygs Straight Lines & Coordinate Geometry Line Equation and Parametric Representation

In the rectangular coordinate plane, the line $y = \frac { x } { 7 }$ intersects the lines $x = 2$ and $x = 9$ at points $P$ and $R$ respectively.
Accordingly, what is the length $| \mathrm { PR } |$ in units?
A) $5 \sqrt { 2 }$
B) $6 \sqrt { 2 }$
C) $4 \sqrt { 10 }$
D) 8
E) 9

In the rectangular coordinate plane, the line $y = \frac { x } { 7 }$ intersects the lines $x = 2$ and $x = 9$ at points $P$ and $R$ respectively.

Accordingly, what is the length $| \mathrm { PR } |$ in units?\\
A) $5 \sqrt { 2 }$\\
B) $6 \sqrt { 2 }$\\
C) $4 \sqrt { 10 }$\\
D) 8\\
E) 9

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