Gonzales's land
bordet ende
100 keer
cattlepen
1100 feet
is not linear the enem
parabola
this activity involves equi
explore the effects thatch
on the graphs
1. the simplest parabol
into yout calculator
parabola is called its
2. the equation y a
members of this fa
300 feet
fencing added
belohnson
johnson's land
y
3
y
1. what is the area of the cattle pen shown in the diagram?
2. choose three other possibilities for the dimensions of the rectan
pen. find the area of each pen. keep in mind that dairyman john
can use as much or as little of the existing border fence as he like
also remember that he wants to use a total of 500 feet of fencing
the other three sides
3. suppose the pen extends x feet away from the border fence. for
example, in the diagram, x would be 100. find an expression for the
area of the pen in terms of x.
4. try to determine the value of x that will maximize this area.
5. did you notice anything that this activity has in common with the
path of a rocket?
each number value
your caleulator to
for different values
a. what's special
b. how are graph
0 3. make a design 18
calculator, write