document.write( "Question 757719: The base of a ladder is 4 horizontal feet from the wall where its top rests. The slope of the line made by the ladder is 3.0. What is the vertical height of the top of the ladder? (Assume that the positive direction points from the base of the ladder toward the wall.) \n" ); document.write( "
Algebra.Com's Answer #461036 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Plot your problem on a set of coordinate axes, assuming without loss of generality, that the vertical wall is co-incident with the positive -axis, the ground is co-incident with the -axis, and the origin, is the point of intersection with the wall and the ground.\r
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\n" ); document.write( "\n" ); document.write( "Given that the positive direction in the -axis is from the base of the ladder toward the wall, the base of the ladder must be at the point . You are given that the slope of the ladder is 3.\r
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\n" ); document.write( "\n" ); document.write( "Use the point-slope form of an equation of a line to derive an equation of the line that contains the line segment representing the ladder.\r
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\n" ); document.write( "\n" ); document.write( "where are the coordinates of the given point and is the given slope.\r
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\n" ); document.write( "\n" ); document.write( "Since the ladder touches the wall at some point , substitute zero for in your equation and solve for the value of which will be the vertical height of the top of the ladder.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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