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x-intercepts

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January 9, 2009
analytic geometrygraphing linesslope

Problem Statement

A line with slope 3 3 intersects a line with slope 5 5 at the point (10,15) (10, 15). What is the distance between the x x-intercepts of these two lines? <spanclass=′latex−bold′>(A)</span> 2<spanclass=′latex−bold′>(B)</span> 5<spanclass=′latex−bold′>(C)</span> 7<spanclass=′latex−bold′>(D)</span> 12<spanclass=′latex−bold′>(E)</span> 20 <span class='latex-bold'>(A)</span>\ 2 \qquad <span class='latex-bold'>(B)</span>\ 5 \qquad <span class='latex-bold'>(C)</span>\ 7 \qquad <span class='latex-bold'>(D)</span>\ 12 \qquad <span class='latex-bold'>(E)</span>\ 20
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