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aniked [119]
3 years ago
8

1/4(8x -16)+12x= -2(x +4)

Mathematics
1 answer:
Wewaii [24]3 years ago
5 0
1/4 x (8x-16) + 12x = -2 (x+4) factor out 4 from the expression                        1/4 x 4(2x-4)+12x= -2(x + 4) distribute -2 through the parenthesis -2x-8               reduce the numbers with 4 , 1/4 x (2x - 4) + 12x = -2x-8                                       remove parenthesis , collect like terms , 14x-4=2x-8 , combine 14x and 2x which is then 16x=-8+4 , calculate the sum of -8+4=4 , then divide both sides by 16 , it will the give you      -1/4


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Step-by-step explanation:

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ddd [48]

Answer:

f(x)=x^2+3x+2

Step-by-step explanation:

step 1

we have the points

(-1,0), (-2,0), and (0,2)

Plot the points

using a graphing tool

see the attached figure

The graph of a quadratic function must be a vertical parabola open upward

The vertex is a minimum

The quadratic function in general form is equal to

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Substitute the value of x and the value of y of each given ordered pair in the general equation and solve for a,b and c

(0,2)

For x=0, y=2

substitute

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c=2

(-1,0)

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substitute

0=a(-1)^2+b(-1)+2

0=a-b+2 ----> a=b-2 ----> equation A

(-2,0)

For x=-2, y=0

substitute

0=a(-2)^2+b(-2)+2

0=4a-2b+2 ----> equation B

we have the system

a=b-2 ----> equation A

0=4a-2b+2 ----> equation B

substitute equation A in equation B

0=4(b-2)-2b+2

solve for b

0=4b-8-2b+2

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f(x)=x^2+3x+2

see the attached figure N 2 to better understand the problem

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lawyer [7]

Answer:

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Step-by-step explanation:

<em>Hope This Helps!</em>

8 0
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Read 2 more answers
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Olin [163]

Answer:

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Step-by-step explanation:

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