Geometryhard · Past Paper
Find the length of the segment from (0,0) to the point of intersection of x + y = 4 and x - y = 0.
A4
Bsqrt(8)
C2
D8
✓ Correct Answer: B — sqrt(8)
Intersection: Add eqns -> 2x=4 => x=2. Then y=2. Point is (2,2). Distance from (0,0) = sqrt(2^2+2^2) = sqrt(8).
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