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Water Fountain Parabolas Project
86
Transcript
Apurva Bachal & Robyn Okereke
Thirsty For Math!
Distance from the spout from water reaches maximum height
What does the water hitting the tray stand for?
Domain related to the distance the water is from the spout
1.5 inches
Why the x-intercepts of course!
Maximum height of the water?
[-3,0]
This is the axis of symmetry!
(-3,0) (0,0)
5 inches
The water fountain does not go on forever!!!!
Range related to the
height of the water
[0,5]
This represents the maximum height of the parabola opening down!
This is not eternal as well!
Th3 3 Chos3n On3s
Where?
(0,2.75) (-2,-4.75) (-1, 1.75)
high school freshman water fountain
we inserted them into the calculadora...
close up
(-1.5,5)
(-1, 4.75)
(-2,4.75)
(0,2.75)
(-3,0)
Regression equation in Standard form:
f(x)=-x^2-3x+2.75
in Vertex form:
f(x)=-(x+1.5)^2+5
What does the water leaving the spout represent?
y-intercept (0,2.75)
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