Answer:
Step-by-step explanation:
2(5)(-5)-(5)^2
=−75
Answer:(-8,-4)
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
We take a look at this expression:
and notice that both terms are square numbers.
and
.
There is a specific formula that I highly recommend you memorize involving differences of squares. It states that given the difference of squares
, it can always be factored into
.
Here, we can apply that. In this case, a = 7x and b = 3. So:

Thus, the answer is A.
Hope this helps!
Answer:
The coefficient is 3.
Step-by-step explanation:
The coefficient is the number that is grouped with an unknown number represented by a letter.
Answer:
C
Step-by-step explanation:
Constant proportionality is measured by y. In this case it would be 25.