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WARRIOR [948]
3 years ago
12

Solve the quadratic function by completing the square. What are the missing pieces in the steps? -32=2(x^2+10)

Mathematics
2 answers:
pychu [463]3 years ago
7 0
-32+<u>50</u> =2(x^2+10x+25)
18=2(x+5)^2
9= (x+5)^2
+-<u /> <u>3</u> = x+5
x= -2 or x= <u>-8</u>
Anni [7]3 years ago
3 0

Answer:

50, 3 and, -8 are the right answer the 3 is positive

Step-by-step explanation:


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Let

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we know that

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in this equation the independent variable is the time t and the dependent variable is the distance d

The distance's equation in function notation is equal to

f(t)=16t

Using a graph tool

see the attached figure

The domain of the function is the interval----------> [0,∞)

t\geq0

The range of the function is the interval------->  [0,∞)

f(t)\geq0

<u>Statements</u>

<u>a) The independent variable, the input, is the variable d, representing distance</u>

The statement is false

Because the  independent variable is the variable t

<u>b) The distance traveled depends on the amount of time Marlene rides her bike</u>

The statement is true

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f(t)=16t

<u>c) The initial value of the scenario is 16 miles per hour</u>

The statement is false

Because 16 represent the rate or  the slope of the linear equation

<u>d) The equation t = d + 16 represents the scenario</u>

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<u>e) The function f(t) = 16t represents the scenario</u>

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8 0
3 years ago
Read 2 more answers
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Step-by-step explanation:

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3 0
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trapecia [35]

Answer:

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Step-by-step explanation:

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144 / 8 = 18

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Hope that helped =)
3 0
4 years ago
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