4.) -2x2 + 6x = 2

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter5: Factoring Polynomials
Section5.13: Using Factoring To Solve Problems
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4.) -2x2 + 6x = 2
5.) -20 = -2x² – 5x
%3D
6.) On the moon, an astronaut drops an object from a height of 6 feet.
After t seconds, the height of the object can be found using the
formula h(t) = 6– 2.7t².
a) What would the object's height be after it has fallen for 1 second?
b) How long would it take for the object to reach the surface of the
moon? Hint: What will the height of the object be when it is on the
surface of the moon?
Transcribed Image Text:4.) -2x2 + 6x = 2 5.) -20 = -2x² – 5x %3D 6.) On the moon, an astronaut drops an object from a height of 6 feet. After t seconds, the height of the object can be found using the formula h(t) = 6– 2.7t². a) What would the object's height be after it has fallen for 1 second? b) How long would it take for the object to reach the surface of the moon? Hint: What will the height of the object be when it is on the surface of the moon?
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