Pre-Cal 20S January 7, 2008

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

Transcript of Pre-Cal 20S January 7, 2008

Distance

Rate

Time

DRT Problems ...

BMW 320d speedometer by flickr user storem

Simplify: Solve:

Rememberthe difference?

Solve and state restrictions if any ... SolvingEquations

Solve and state restrictions if any ... SolvingEquations

Solve and state restrictions if any ... SolvingEquations

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?

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?

Simplify and state restrictions if any ...

Division

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HOMEWORK

Simplify and state restrictions if any ...

Division

Simplify and state restrictions if any ...

Division

Simplify and state restrictions if any ...

Division

Is the following reduction acceptable for each expression? Explain.

Write the polynomial A if

Solve: