# math,correction

posted by .

is this correct

Find the constant term that should be added to make the following expression a perfect square trinomial

x^2 + 7x

My answer that i got was

12.25

Take half of seven, square it.

7/2 squared is 49/4. You are right.

should i leave it as a decimal or a fraction

I would do it as a fraction.

## Similar Questions

1. ### math,help

how do i find the following: is there a formula for this?
2. ### math,help

Is this trinomial a perfect square x^2-6x+9 if the trinomial starts with x^2 and 1/2 of the middle term coefficient squared equals the last term, then it is a perfect square. tell me what you found. i thought it was not a perfect square. …
3. ### Algebra 2

Replace each of the question marks with a value that will make the polynomial a perfect square trinomial. 1. 4x^2+12x+?
4. ### Algebra

x^2+7x Which constant should be added to make this expression a perfect square 12ΒΌ
5. ### Math

Find the constant term that should be added to make the following expression a perfect square trinomial. x^2-2x x^2+3x Take one half the second term, square it. 1/2 *2=`1, squred, 1 1/2 *3=3/2, squared, 9/4
6. ### Math

this question does not make sense to me. Add the proper constant to the binomial so that the resulting trinomial is a perfect square trinomial. then factor the trinomail. X^2+21x+__ What is the constant term?
7. ### math 118

x^2+10x Add the proper constant to the binomial so tha tthe resulting trinomial is a perfect square trinomial. Then factor the trinomial
8. ### math

What number must be added to make a perfect square trinomial x^2+(8/5)x
9. ### Algebra 1

1. What is the excluded value for the rational expression x^2 - 4/3x - 6?
10. ### MATH

which following trinomial is a perfect square?

More Similar Questions