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Mathematics 28 Online
woolyfrog:

After a dreary day of rain, the sun peeks through the clouds and a rainbow forms. You notice the rainbow is the shape of a parabola. The equation for this parabola is y = -x^2 + 36.

woolyfrog:

http://prntscr.com/mezrta

woolyfrog:

In the distance, an airplane is taking off. As it ascends during take-off, it makes a slanted line that cuts through the rainbow at two points. Create a table of at least four values for the function that includes two points of intersection between the airplane and the rainbow.

woolyfrog:

http://prntscr.com/mezsy4

dude:

You might want to look at how the other graph looks like if you are solving graphically You can also solve by setting them equal to each other (algebraically)

woolyfrog:

is there more to the question or do I only have to fill in the table?

dude:

Oh they only gave you the equation of the rainbow I guess this only really depends on where you want it to intersect though I feel like something is missing

woolyfrog:

so we need two points of intersection between the airplane and the rainbow and then fill the table

woolyfrog:

so how do I choose the two points of intersection?

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