document.write( "Question 830356: The length of a rectangle is 3 inches less than 4 times its width. The area of the rectangle is 7 sq. inches. Find the dimensions of the rectangle
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Algebra.Com's Answer #500582 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "y = 4x - 3
\n" ); document.write( "xy = 7
\n" ); document.write( "x(4x - 3) = 7
\n" ); document.write( "4xx - 3x - 7 = 0
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\n" ); document.write( "the above quadratic equation is in standard form, with a=4, b=-3, and c=-7
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\n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this:
\n" ); document.write( "4 -3 -7
\n" ); document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php
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\n" ); document.write( "the quadratic has two real roots at:
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\n" ); document.write( "x = 1.75
\n" ); document.write( "x = -1
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\n" ); document.write( "the negative root doesn't fit the problem statement, so use the positive root
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\n" ); document.write( "x = 1.75 in
\n" ); document.write( "y = 4(1.75) - 3
\n" ); document.write( "y = 4 in
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\n" ); document.write( "answer:
\n" ); document.write( "x = width = 1.75 in
\n" ); document.write( "y = length = 4 in
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\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
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\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
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\n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "
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