Markus said:
1) I think that i have the wrong understanding on Integer.
To learn what integers are (if this wasn't covered in your book or in class), please try
search-engine results for definitions, examples, and lessons. (If, by "full number", you mean "whole numbers, and their negatives", you are on the right track.)
Markus said:
2) This asks for the value of k....for this one there are 4 parts to it.
I'm sorry, but I'm only seeing the one question for exercise for (2). If there are "parts" (a) through (d), they don't appear to have yet been posted...? :?:
In any case, this exercise tells you that x<sup>2</sup> - kx + (k + 8) has only one zero, which you know (from your lessons and homework) means that you have
a particular sort of solution when you apply the Quadratic Formula to a = 1, b = -k, c = k + 8. So plug a, b, and c into the Formula you've memorized, and set the appropriate bit equal to zero. Then solve the equation for the value of k. :idea:
Markus said:
Before you go please just post your answer to it. I can study it and find out how you got it.
Most legitimate tutors don't "do" students' work for them, or give out the solutions. If you haven't been able to understand from the book, the class sessions, the set-up, and the explanation, then I'm afraid another worked example (the complete solution to your homework) wouldn't help your understanding. Sorry!
Please reply showing what
you have tried, and how far
you have been able to get. Once the tutors can "see" where you're going wrong, we can provide specific help that will get you moving again toward the solutions. Thank you!
Eliz.