pre-cal 20s january 7, 2008

14
Distance Rate Time DRT Problems ... BMW 320d speedometer by flickr user storem

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Rational equations review. Distance, rate, and time problems.

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Page 1: Pre-Cal 20S January 7, 2008

Distance

Rate

Time

DRT Problems ...

BMW 320d speedometer by flickr user storem

Page 2: Pre-Cal 20S January 7, 2008

Simplify: Solve:

Rememberthe difference?

Page 3: Pre-Cal 20S January 7, 2008

Solve and state restrictions if any ... SolvingEquations

Page 4: Pre-Cal 20S January 7, 2008

Solve and state restrictions if any ... SolvingEquations

Page 5: Pre-Cal 20S January 7, 2008

Solve and state restrictions if any ... SolvingEquations

Page 6: Pre-Cal 20S January 7, 2008

Luigi and Monica live 27 km apart. At noon they begin to jog toward each other from their respective homes. Luigi jogs at 4 km per hour and Monica jogs at 5 km per hour. At what time will they meet?

Page 7: Pre-Cal 20S January 7, 2008

Mark can ride his bicycle 2 km/h faster than Tamara. They begin at the same spot and at the same time, travelling in opposite directions. After travelling for the same length of time they stop and realize that Mark has travelled 27 km and Tamara has travelled 21 km. How fast was Mark travelling?

Page 8: Pre-Cal 20S January 7, 2008

Simplify and state restrictions if any ...

Division

`

HOMEWORK

Page 9: Pre-Cal 20S January 7, 2008

Simplify and state restrictions if any ...

Division

Page 10: Pre-Cal 20S January 7, 2008

Simplify and state restrictions if any ...

Division

Page 11: Pre-Cal 20S January 7, 2008

Simplify and state restrictions if any ...

Division

Page 12: Pre-Cal 20S January 7, 2008

Is the following reduction acceptable for each expression? Explain.

Page 13: Pre-Cal 20S January 7, 2008

Write the polynomial A if

Page 14: Pre-Cal 20S January 7, 2008

Solve: