document.write( "Question 988922: Find the slope of the line that passes through each pair of points.
\n" ); document.write( "1. (2,-7),(5,-5)
\n" ); document.write( "2. (-2,-3),(0,-5)
\n" ); document.write( "3. (4,-1.5), (4,4.5)\r
\n" ); document.write( "\n" ); document.write( "Graph the line passing through the given point with the given slope.
\n" ); document.write( "4. (-3,-1),m=-1/5
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Algebra.Com's Answer #609383 by macston(5194)\"\" \"About 
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\n" ); document.write( "1. (2,-7), (5,-5)
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\n" ); document.write( "\"m=%28-5-%28-7%29%29%2F%285-2%29\"
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\n" ); document.write( "\"m=2%2F3\"
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\n" ); document.write( "ANSWER: Slope is 2/3.
\n" ); document.write( "The others are done the same way.
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\n" ); document.write( "4. (-3,-1),m=-1/5
\n" ); document.write( "Using slope intercept form:
\n" ); document.write( "y=mx+b
\n" ); document.write( "y=(-1/5)x+b Put in values for point given and solve for b.
\n" ); document.write( "-1=(-1/5)-3+b
\n" ); document.write( "(-5/5)=(3/5)+b
\n" ); document.write( "(-8/5)=b Substitute this for b to get the equation.
\n" ); document.write( "(b is the y intercept, so one point is (0,(-8/5)).
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\n" ); document.write( "y=(-1/5)x+(-8/5) Set y=0 to get x-intercept.
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\n" ); document.write( "0=(-1/5)x+(-8/5)
\n" ); document.write( "(8/5)=(-1/5)x
\n" ); document.write( "-8=x The x-intercept is (-8,0)
\n" ); document.write( "Graph the two points and draw a straight line through them.
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