Answer:
The coefficient of 
is 
Step-by-step explanation:
The two expressions are
and 
.
The sum of the two expressions is
When we group like terms the expression will be,
When we simplify the expression will now be
The coefficient of is the constant behind in the expression.
The coefficient of is therefore .
Answer:
Completing the square.
Step-by-step explanation:
since there is no "a" term and the bx term is even, completing the square is your best bet.
3/5=6/10 so Naomi got 138.
Luke got 69.
And Natalie got 23.
Completing the squares tells us exactly what square root we will need to calculate our answer.
Using the formula below you can find these answers:
Does this make sense?
