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Which of the following constants can be added to x^2 - 10x to form a perfect square trinomial? 10 25 100

Which of the following constants can be added to x^2 - 10x to form a perfect square trinomial? 10 25 100
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Which of the following constants can be added to x^2 - 10x to form a perfect square trinomial?

10
25
100

asked
User GianArb
by
9.1k points

2 Answers

3 votes

b)-25 is the correct answer.

I just did this exact question in my schooling.

answered
User Alka Vaghela
by
8.1k points
5 votes
halve middle term
-10/2=-5
squaer it
(-5)^2=25
that is what should be added

answer is 25
answered
User Marcos Buarque
by
8.0k points
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