<PRE><B>Question 818632</B>
L = 3w - 1
Lw = 80
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Lw = 80
(3w - 1)w = 80
3ww - w - 80 = 0
3w^@ - w - 80 = 0
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the above quadratic equation is in standard form, with a=3, b=-1, and c=-80
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to solve the quadratic equation, by using the quadratic formula, plug this:
3 -1 -80
into this: https://sooeet.com/math/quadratic-equation-solver.php
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the two real roots (i.e. the two solutions), of the quadratic are:
w = 5.33333333 = 5+1/3 = 16/3
w = -5
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the negative root doesn&#39;t make sense for width, so use the positive root:
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answer:
w = 5.333 ft
L = 15 ft
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Convert fractions, decimals, and percents:
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Calculate and graph the linear regression of any data set:
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