April 20, 2017
Simplify the following expressions
April 20, 2017
Photography
To produce a clear photograph with a film camera, light rays must be
focused on the film. The focal length of a camera lens is the distance
from the lens to the point where the rays of light are focused.
Focusing a film camera changes the distance from the lens to the film.
April 20, 2017
Example:
An object is 15cm from a camera lens. The
object is in focus on the film when the lens is
10cm from the film. Find the focal length of the
lens in centimeters.
April 20, 2017
To add/subtract rational expressions with
different denominators
April 20, 2017
Finding the least common multiple (lcm) of
two expressions
April 20, 2017
Finding the least common multiple (lcm) of
two expressions
April 20, 2017
Finding the least common multiple (lcm) of
two expressions
April 20, 2017
Adding Rational Expressions
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April 20, 2017
Simplify
April 20, 2017
Subtracting rational expressions
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Simplify
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Complex Fractions
complex fraction
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To simplify complex fractions
April 20, 2017
Simplify using Method 1
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Simplify using Method 2
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Simplify
April 20, 2017
Simplify
April 20, 2017
Simplify