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27-01-2017
Mathematics

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The two lines y = 2x+8 and y = 2x-12 intersect the x axis at P and Q. Work out the distance of PQ? (with explanation)

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kadota1298 kadota1298

27-01-2017

Graphing the two lines put 10 units between where the two line cross the x-axis. Solve for x on both equations.

y=2x+8 x=-4
y=2x-12 x=6. Then figure the space between them. Which is 10 units.

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