Question

1. If a and b are any two real numbers, explain how you calculate the difference a – b. Be sure to include the following in your explanation:
a. A description of the relationship between addition and subtraction
b. How you can use a number line to help with the calculation
c. How you can determine the sign of the result
Answer:

Answer 1

@pkjag

Answer 2

@ganeshie8

Answer 3

a) i think its but not sure \[a+(-b)\]
b)in a number line the interval \[[b,a]\] should include numbers btn a and b, so that you can count them and determine the difference btn a and b
c) you determine the sign by noting what number is larger btn a and b, if b is larger then the result wil be negative, otherwise it'll be positive

Answer 4

Thank you thank you so so much

Answer 5

are you 100 % sure on these except for the first one?

Answer 6

and for b should I Make a number line?

Answer 7

@pkjag you there?

Answer 8

make a number line where a is larger than b n just put some random distance btn them

Answer 9

can you show me exactly please sorry if im asking for to much i just really need this

Answer 10

@pkjag you there?

Answer 11

not saying your wrong but why is b << and a >>

Answer 12

yes thats why we want a-b to be positive, either way is fine just make sure you don't forget the sign

Answer 13

thank you

Answer 14

no problem