jesussalido123
23.11.2019 •
Mathematics
Which diagram shows the x method being used correctly to factor the trinomial 2x2 – 3x + 1?
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Ответ:
Factoring trinomial is a little bit easy, you should know how to factor numbers.
So let’s start
2x^2 – 3x +1
The factors are (2x-1) and (x – 1)
Just get the 2nd constant which is -3 and put it in the top of the X.
Next just multiply the first and third constant on the given equation so you will get 2 then put it in the bottom of the X.
Get the factor of 2 it is only one which is 2 and 1 then by knowing the sign look at the 2nd term of the given equation and it is negative 3 so you will come up with the answer -2 and -1.
Ответ:
Area of the painting = ⅙ square yards
Width = ⅔ yards
A = l × w
⅙ = ⅔l
⅙ / ⅔ = l
¼ = l