Monday, January 31, 2011

Chapter 6 help

for 6.9 we just did today, how do we do the equations with i's in the radicals. such as (9+i radical 2) + (12 - 3i radical 2) (number 8 on 6.9 hw) by hand?
i would like to do just a few more problems that involve working with the "i" because i am still having a little trouble with the multiplying of it and when it is used with a square root. if we could do some more problems id really appreciate it

Capter 6 Question

I am still having trouble comprehending what to do when imaginary numbers (i) are being divided. I think we went over this briefly in class today. I know we have to do something with a conjugate.

ch 6 question

what do you do when you are dividing two negative square roots?
Im confused about problems that have fractions with (i's) on the top or bottom.

Ch 6 Blog Question

I would like to know how you multiply two square roots together with imaginery number in the square roots. Can we go over a few in class?

Ch 6 Blog

What are your questions for the second half of chapter 6?

Saturday, January 29, 2011

Chapter 6 Question

I am still a little confused about the imaginary numbers and when trying to multiply two square roots.

Thursday, December 16, 2010


when you have two vertixs on a graph, how do you find out the inequalitie or equation?

Tuesday, December 14, 2010

Chapter 5 Question

i dont really understand the inverses of matricies, because sometimes i get whole numbers and other times, for example, i get 1 over 20.
i still am just a little confused with the set up for finding the determinant by hand instead of just typing det(equation) on my calculator. can you please explain it one more time?

Chapter 5 question

In linear programming, how do I set up the matrices to find the intersecting points?

Monday, December 13, 2010

I'm not always sure how you know which way you need to shade on a graph and which part is the feasible region.

Chapter 5 Blog Post

For extra credit, comment on someone else's blog post - you must do this as a blog, not as an email to Mrs. Kerr.

Sunday, December 12, 2010

Chapter 5 question

I am still having trouble understanding how maticies are used in finding how many solutions there are in a linear system.

Chapter 5 linear programming

i still need help with linear programming. on the 5.9 lesson master we had for homework i did not understand the whole objective G part.
How do you know which way to shade an inequality?

Saturday, December 11, 2010

Chapter 5 Question

When graphing the ineqalities, how do you know if the line is suppose to be a solid line or a dashed line?

Equation Editor