SOLUTION: Use the “ac test” to determine if the following trinomial can be factored. Find the values of ma and n for the trinomial so that it can be factored:
x^2 + 2x - 15
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-> SOLUTION: Use the “ac test” to determine if the following trinomial can be factored. Find the values of ma and n for the trinomial so that it can be factored:
x^2 + 2x - 15
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Question 64090: Use the “ac test” to determine if the following trinomial can be factored. Find the values of ma and n for the trinomial so that it can be factored:
x^2 + 2x - 15
You can put this solution on YOUR website! There is different terminology for factoring depending on your book and teacher, I am not familiar with your terminology.
:
x^2 + 2x - 15
The coefficient of x^2 is a, the coefficient of x is b, and the constant is c.
a=1, b=2, c=-15
ac=(1)(-15)=-15
We need 2 numbers that multiply to get ac=-15 and add to get b=2
5*-3=-15
5+(-3)=2
Therefore, the trinomial factors out to be:
Hope this helped.
Happy Calculating!!!
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