Given the following perfect square trinomial, find the missing term: ___x2 + 40x + 100 1 2 4 10
2 answers:
Answer:
4
Step-by-step explanation:
You're welcome.
Answer:
4
Step-by-step explanation:
The correct option is 4.
Put 4 in the missing term because 4 is a perfect square and it satisfies the given expression:
4x2 + 40x + 100
Now multiply the 1st term coefficient with 100
4 *100 = 400
Now find two numbers whose product is 400 and whose sum is 40
20*20 = 400
20+20 = 40
Therefore 4 is the correct missing coefficient because it satisfies the expression:
Thus the correct option is 4....
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