What is the formula for the perimeter of a rectangle?
Finding Maximum Areas using Tables of Values

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Mathematics, Information Technology (IT), Architecture
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1st - 6th Grade
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two lengths plus two widths
Length times width
Two lengths plus one width
Length plus width
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the problem with 80 yards of fencing, what dimensions give the maximum area?
Length 25 yards, Width 15 yards
Length 30 yards, Width 10 yards
Length 10 yards, Width 30 yards
Length 20 yards, Width 20 yards
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function used to find the maximum area in the problem with 80 yards of fencing?
A = 20L - L^2
A = 40L - L^2
A = 60L - L^2
A = 80L - L^2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using 140 feet of fencing with one side of a building, what is the maximum area that can be enclosed?
2000 square feet
2450 square feet
1500 square feet
3000 square feet
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the problem with 140 feet of fencing, what is the width that gives the maximum area?
30 feet
40 feet
35 feet
25 feet
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