Here is the question
2 answers:
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Answer:
yes it is a function
Step-by-step explanation:
You have to take the numbers and see if any of them are the same in the X column if their are some of the same numbers you only write the number once. than you connect the numbers to the given output. If any numbers have 2 outputs it is not a function.
25 a² + 20 ab + 4 b²
for formula
find u,v such that: u.v = a
and u+v = b then group according to
=
factor out 5a from :
factor out 2b from :
=
factor out :
=
Refine:
hope this helps!.
for formula
and u+v = b then group according to
=
factor out 5a from :
factor out 2b from :
=
factor out :
=
Refine:
hope this helps!.