Ex: Quadratic Function Application - Time and Vertical Height

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This video provides an example of an application of a quadratic function that gives the vertical height of an object as a function of time.
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I finally understand without our teacher even discussing this since she's been absent for one week bruh. BTW thanks!

charmierafols
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i have no clue what i'm doing, but it is transparently working.

everdarkable
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What if it can't be factored into two binomial factors?

samanthamarijuico
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what is the reason why the coefficient needs to be positive? 4:42

adelalerma
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Can you help me with this problem please🙏🏻🙏🏻

A rock is thrown from the top of a tall building. The distance in feet between the rock and the
ground x seconds after it is thrown is given by f(x)=-16X^2-4X+382
. How long after the
rock is thrown does it hit the ground?
A) 12.256 seconds
B) 11.50 seconds
C) 4.7324 seconds
D) 7.236 seconds

lissethcortez
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ok.... BUT WHAT IF IT DOESN'T FACTOR?!??!?!? you always use examples that are easy .

josiahsandberg