rectangle has perimeter of 32'; find max area

Quadratic equations and inequalities, variation equations, function notation, systems of equations, etc.
uptown4784
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rectangle has perimeter of 32'; find max area

A rectangle has a perimeter of 32 ft. Find the maximum area of the rectangle

Find the equation of the circle (in standard form) with radius 7 and center

got my wisdom teeth removed today. wasnt able to make it to class

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Re: rectangle has perimeter of 32'; find max area

A rectangle has a perimeter of 32 ft. Find the maximum area of the rectangle
they show how to set this up and get the answer here
Find the equation of the circle (in standard form) with radius 7 and center
put 7^2 for r and the origin for the center in the circle eqn

buddy
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Re: rectangle has perimeter of 32'; find max area

A rectangle has a perimeter of 32 ft. Find the maximum area of the rectangle
32=2L+2W, A=LW
solve 1st for one of the vars. plug into 2nd. find vertex to find max.
Find the equation of the circle (in standard form) with radius 7 and center
r=7, r^2=7^2=49, (h,k)=(0,0)
plug into (x-h)^2+(y-k)^2=r^2