## anonymous one year ago Simplify.

1. anonymous

|dw:1433104895388:dw|

2. anonymous

|dw:1433104946172:dw|

3. anonymous

@mathstudent55

4. anonymous

@mathmate

5. anonymous

multiply the numerators together and the denominators together

6. anonymous

|dw:1433105668834:dw|

7. anonymous

@10115658

8. mathstudent55

Here you need to square the left fraction first. Then you multiply by the other fraction.

9. anonymous

you didn't simplify (-x/4)^2 properly

10. anonymous

wait so how do you do that??

11. mathstudent55

|dw:1433105912699:dw|

12. anonymous

square the numerator first

13. mathstudent55

To raise a fraction to an exponent, you raise the numerator and the denominator to that exponent.

14. anonymous

@mathstudent55 will you mind showing me it on the drawing tool?

15. mathstudent55

There it is. Now multiply the numerators together and the denominators together. |dw:1433106068973:dw|

16. anonymous

okay!! @mathstudent55

17. anonymous

|dw:1433106186660:dw|

18. anonymous

@mathstudent55

19. mathstudent55

great now we simplify

20. mathstudent55

What cancels out? |dw:1433106358536:dw|

21. anonymous

|dw:1433106411621:dw|

22. mathstudent55

Don't forget the 4's |dw:1433106457047:dw|

23. anonymous

it b? @mathstudent55

24. mathstudent55

correct