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oee [108]
3 years ago
6

The function f(x) = 3x² + 12x +11 can be written in

Mathematics
1 answer:
Viktor [21]3 years ago
6 0

Answer:

3)  f(x) = 3(x + 2)^2 - 1.

Step-by-step explanation:

f(x) = 3x² + 12x +11

f(x) = 3(x^2 + 4x) + 11        Completing the square:

f(x) =  3[(x + 2)^2 - 4] + 11

f(x) = 3(x + 2)^2 -+3*-4 + 11

f(x) = 3(x + 2)^2  - 12 + 11

f(x) = 3(x + 2)^2 - 1.

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Answer:

18.682

Step-by-step explanation:

Given that :

E = (-7, - 2) ; x1 = - 7 ; y1 = - 2

F = (11, 3) ; x2 = 11 ; y2 = 3

EF = √((x2 - x1)² + (y2 - y1)²)

EF = √((11 - -7)² + (3 - -2)²)

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EF = √(18² + 5²)

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RSB [31]
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3 years ago
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Lena [83]

Answer:

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Step-by-step explanation:

<u>Step 1:  Convert words into an expression</u>

What is the expression for seven is less than m

<em>m - 7</em>

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Step-by-step explanation:

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