# math final tmrw!!!!!!!

posted by .

1) wat term should be added to x squared+22x, so tat the result is a perfect square trrinomial

• math final tmrw!!!!!!! -

I think that is 1/2 the b term (1/2*22 and that squared) so the term to be added would be 11^2 = 121.
x^2 + 22x + 121 = (x+11)(x+11)

• math final tmrw!!!!!!! -

(x + a)(x + a)
=x^2 + 2ax + a^2

In the problem,
2ax=22x
2a=22
a=11
substituting back
(x + 11)(x + 11)
x^2 + 22x + 121

## Similar Questions

1. ### math,help

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

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 …
3. ### 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. …
4. ### Algebra

Completing the square method allows you to solve any quadratic equation. For each of the following determine what number completes the square. I cannot find my notes on completing the square, can someone please help with these two …
5. ### Algebra 2

Replace each of the question marks with a value that will make the polynomial a perfect square trinomial. 1. 4x^2+12x+?
6. ### 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
7. ### math

Each of the following pairs of terms is the middle term and last term of the product of a perfect square. Write the corresponding perfect square. a)-6x,9 b)4y,4 c)-8a,16 d)-12,36 ...I don't understand how to do these.
8. ### math

the integer 49 can be written as the sum of smaller perfect squares in a variety of ways. one such way includes six terms: 25+9+4+1+1. if each term has a value between 0 and 49,what is the fewest number of perfect square terms that …
9. ### MATH

which following trinomial is a perfect square?
10. ### maths

what least number must be added to 630 to make the sum a perfect square?

More Similar Questions