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Lera25 [3.4K]
3 years ago
9

F of x equals 8 plus 2x eminus x squared ​

Mathematics
2 answers:
lilavasa [31]3 years ago
8 0

Answer:

f(x)=8+2x-x^2

Step-by-step explanation:

in standard form

f(x)=-x^2+2x+8

maria [59]3 years ago
7 0

Answer:

Step-by-step explanation:

F

=

−

x

+

8

x

+

2

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Explain in easy terms, how the signs of the last terms of the two binomial factors of a trinomial are determined?
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Explanation:

It helps to understand the process of multiplying the binomials. Consider the simple case ...

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The product is ...

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If the <em>constant</em> term (ab) is <em>negative</em>, the signs of (a) and (b) are <em>different</em>.

If the constant term (ab) is <em>positive</em>, the signs of (a) and (b) will both match the sign of the coefficient of the linear term (a+b).

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Of course, the sum (a+b) will have the sign of the (a) or (b) value with the largest magnitude, so when the signs of (a) and (b) are different, the factor with the largest magnitude will have the sign of (a+b), the x-coefficient.

<u>Example</u>:

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On a coordinate plane, a curved line crosses the y-axis at (0, 1), crosses the x-axis at (.25, 0), turns at point (2, negative 3
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Answer:

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Step-by-step explanation: hop this helps

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