Question

Please Help!.

1. Give an example of a whole number that is not a natural number. __________

2. Give an example of an integer that is not a whole number. __________

3. Give an example of a rational number that is not an integer. __________

4. Give an example of an irrational number. ________

5. Give an example of a complex number that is not an integer. __________


6. Give an example of two integers whose sum is a natural number. ____________________

7. Give an example of two rational numbers whose sum is an integer. ____________________

Answer 1

number 1 could be 0

Answer 2

yeah,
and 2 cpuld be -1, right?

Answer 3

Not sure what you mean. Try to Google your questions.

Answer 4

I did, it didn't work

Answer 5

Number 2 is any negative number

Answer 6

3?

Answer 7

A negative number. Below zero. -3

Answer 8

no, I know. I was saying do you know the answer to number 3

Answer 9

Nember 3 is an improper fraction. The bottom number is not a facto of the top number. 4/3, 2/1, 6/5

Answer 10

4 would be pi right?

Answer 11

yes. 3.14159...

Answer 12

5?

Answer 13

I'm not sure about 5

Answer 14

6?

Answer 15

57 and 59

Answer 16

Here, this might help you.

https://www.google.com/search?q=real+numbers&source=lnms&tbm=isch&sa=X&ei=yZfNUt2uM9XcoATJiYDgBQ&sqi=2&ved=0CAcQ_AUoAQ&biw=1920&bih=979#facrc=_&imgdii=_&imgrc=2E3Xm11PasI5WM%3A%3BS24H-C_xfjYcUM%3Bhttp%253A%252F%252Fscimathmn.org%252Fstemtc%252Fsites%252Fdefault%252Ffiles%252Fimages%252Fframeworks%252Fmath%252F8.1.1A%252Fimage131.jpg%3Bhttp%253A%252F%252Fscimathmn.org%252Fstemtc%252Fframeworks%252F811a-rational-irrational-real-numbers%3B866%3B386

Answer 17

I'm not sure about 7

Answer 18

ok, thanks

Answer 19

.5 + 1.5 I suppose, no?

Answer 20

For which one?

Answer 21

For number 7.

Answer 22

okay, and 6?

Answer 23

Any positive integer is a natural number from 1,2,3,4......
or even with negative interger

\[-4+5,~~~~~~~~~or~~~~~~~~~3+1,~~~~~~or~~~~~~~~2+8\]
anything almost.

Answer 24

1000 of examples can be made up.

Answer 25

Thanks, And 5?

Answer 26

\[2i \sqrt{7}\]
more?

Answer 27

yeah, one sec.

Answer 28

(I gave you an imaginary number)

you know that \[i=\sqrt{-1}\]?

Answer 29

8. Give an example of two complex numbers whose sum is a real number. ____________________

9. Give an example of two rational numbers whose sum is a rational number. ____________________

10. Give an example of two irrational numbers whose sum is an irrational number. ____________________


11. Give an example of two integers whose product is a natural number. ____________________

12. Give an example of two rational numbers whose product is an integer. ____________________

13. Give an example of two complex numbers whose product is a real number. ____________________

14. Give an example of two rational numbers whose product is a rational number. ____________________

15. Give an example of two irrational numbers whose product is an irrational number. ____________________


16. Give an example of two trinomials whose sum is a binomial. ________________________________________

17. Give an example of two binomials whose sum is a trinomial. ________________________________________

18. Give an example of two binomials whose sum is a binomial. ________________________________________

19. Give an example of two binomials whose product is a binomial. ________________________________________

20. Give an example of two polynomials whose product is a trinomial

Answer 30

I am able to do the lessons by myself, but when it comes to these. the questions really confuse me.

Answer 31

I am not assuming anything, I am going according to a definition of a "complex number" read this
http://www.mathsisfun.com/definitions/complex-number.html

you meant something else perhaps by saying complex number.

Answer 32

Yeah, I get the whole imaginary number thing, but I just wanted to make sure I was answering the right way. Can you help me with the rest?

Answer 33

But I can't think of a sum f 2 COMPLEX NUMBERS as you say, that would equal to a real number.

Answer 34

Do you call\[2i+(-i)\]
addition, then here you go!

Answer 35

ok

Answer 36

I'll do number 9, and then I have to go.

Answer 37

\[\frac{1}{3}+\frac{1}{2}\]

Answer 38

okay, thank you!

Answer 39

\[\frac{1}{3}+\frac{1}{2}=\frac{2}{6}+\frac{3}{6}=\frac{5}{6}\]

Answer 40

repeating decimal, rational.

Answer 41

Good luck with the rest, bye!