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xz_007 [3.2K]
2 years ago
15

Select the correct answer. Factor the polynomial below. 4x^2-16 A. 4(2 - x)2 B. 4(2 + x)(2 - x) C. 4(x - 2)2 D. 4(x + 2)(x - 2)

Mathematics
1 answer:
Stells [14]2 years ago
6 0

Answer:

The answer is D

4(x²-4)=4(x-2)(x+2)

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On a trip to the art museum lily rode the subway for 7/10 mile and walked for 3/10 mile how much farther did she ride on the sub
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4/10 Miles because 7/10 - 3/10 = 4/10
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3 years ago
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Given the slope and ordered pair write in y=mx+b form<br> slope: 7/9, ordered pair: (0,−8/9)
Misha Larkins [42]
The answer to the question

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3 years ago
What polynomial has a graph that passes through the given points?
Evgen [1.6K]
The answer is <span>B. y = x^3 + 4x^2 + 2x - 2 

A line that passes through all given point is the correct choice. Now, substitute x and y in all of the choices:

</span>B. y = x³ + 4x²<span> + 2x - 2 
Point 1: </span><span>(-2, 2) 
x = -2
y = 2
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2 = (-2)</span>³ + 4 *(-2)² + 2 * (-2) - 2
2 = -8 + 4 * 4 + (-4) - 2
2 = -8 + 16 - 4 - 2
2 = 2
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Point 2: (-1, -1) 
x = -1
y = -1
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-1 = (-1)³ + 4 *(-1)² + 2 * (-1) - 2
-1 = -1 + 4 * 1 + (-2) - 2
-1 = -1 + 4 - 2 - 2 
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Point 3: (1, 5) 
x = 1
y = 5
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5 = 1 + 4 * 1 + 2 - 2
5 = 1 + 4 + 2 - 2
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Point 4: (3, 67) 
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y = 67
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So, line B passes through all choices.
3 0
3 years ago
Describe one error that was made in the preparation of the
pashok25 [27]

Answer:

  the axis labels are inconsistent with the graph title

Step-by-step explanation:

The independent variable is described as "% protein digested", and the dependent variable is described as "time." The graphed values suggest that these are reasonable descriptors for the data being plotted.

The title, however, says the data points are "percentage digestion per hour". This is in disagreement with the axis labels, and is inconsistent with the shape of the curve. (If the title is to be believed, the digestion rate is such that more than 100% of <whatever> has been digested after 10 hours.)

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<em>Additional comment</em>

Another error is the vertical axis is graduated as though it were linear, but it is decidedly non-linear. Equivalent distances on the graph are shown for differences of 10%, 5%, 10% and 25%. That is the scale varies by a factor of 5 from one part of the graph to another.

8 0
3 years ago
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