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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asked Jan 14, 2018 4.8k views

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Jordan Schnur · Answer 1 · 2018-01-21T13:29:28+0000

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.

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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