For what real values of a is x^2 + ax + 25 the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.
2 answers
Answer please!!!
Damon did a whole bunch of those for you yesterday.
The idea is to use a previous solution and apply it to a new question.
x^2 + ax + 25 = (x + ???)^2
Gee what do you think we need so when squared we will get 25?
And what will be the middle term if we expand that?
The idea is to use a previous solution and apply it to a new question.
x^2 + ax + 25 = (x + ???)^2
Gee what do you think we need so when squared we will get 25?
And what will be the middle term if we expand that?