Transcript 9.6 - East Aurora School District 131

9.6
Solving Rational Equations
Solving
• Find restrictions for all fractions involved
• Cross multiply if you can
• If you cannot cross multiply, make it so
you can!
• Solve
Example of Cross Multiplication
5
3
 2
x  6 x 1
Example of Cross Multiplication
5
15
 2
2x  2 x 1
Example of Cross Multiplication
4
3

5 x  10 x  2
Practice Problems
• 5/19: #45 pg 524 1-9
9.6 Day 2
Example
4
3

1
x x 1
Example
1
2 1


2x 5x 2
Practice Problems
• 5/20: #46 pg 525 10-21
9.6 Day 3
Application
Application
Rosa can jog 5 mi downhill in the same amount of time it
takes her to jog 3 mi uphill. She jogs downhill at a rate of
4m/h faster than she can jog uphill. Find her jogging rate
each way.
Distance
Uphill
Downhill
Rate
Time
Application
It takes one hose 5 hours to fill a pool with
water. It takes a different hose 8 hours to fill
the pool. How long will it take to fill the pool
if BOTH hoses were used at the same time?
Homework
5/21: #47 pg 525 22-25