Help me on these all night stumpers

• Aug 27th 2009, 06:45 PM
yitsongg
Help me on these all night stumpers
I was finishing a 50 problem packet and these problems took me a long time to figure out however I got them wrong, can any one help me on them?

15.* 4 + x4
16.* 1 + a2 + a4
21. 3a2 + 1 - 3a – a3
19.* - x4 - 4a4
7.* x4 + 4 y4
• Aug 27th 2009, 06:58 PM
QM deFuturo
Quote:

Originally Posted by yitsongg
I was finishing a 50 problem packet and these problems took me a long time to figure out however I got them wrong, can any one help me on them?

15.* 4 + x4
16.* 1 + a2 + a4
21. 3a2 + 1 - 3a – a3
19.* - x4 - 4a4
7.* x4 + 4 y4

What are the instructions for the problems? Simplify? Combine like terms? Factor?
• Aug 27th 2009, 08:04 PM
yitsongg
Factor
• Aug 28th 2009, 06:13 AM
stapel
What is the meaning of your "star" notation? What operation is being indicated by this?

Thank you! (Wink)

Formatting Math as Text
• Aug 28th 2009, 09:04 AM
yitsongg
The star means nothing not part of the problem
• Aug 28th 2009, 10:47 AM
stapel
Quote:

Originally Posted by yitsongg
I was finishing a 50 problem packet and...I got them wrong

What answers did you get? Thank you! (Wink)
• Aug 28th 2009, 02:34 PM
mr fantastic
Quote:

Originally Posted by yitsongg
[snip]
21. 3a2 + 1 - 3a – a3

[snip]

There are numerous problems with the way you have posted these questions. Some have already been mentioned. Another problem is the following:

Are we expected to assume that 3a has a different meaning to a3? Are we meant to assume that by a3 you mean a^3 etc.

If you want to get effective help in a timely manner, please post your questions clearly using standard notation and appropriate formatting. Showing the work you've done and answers that you got will also assist people in giving the help that is required.