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Tresset [83]
3 years ago
7

Select all the expressions that are equivalent to 5x + 30x - 15x

Mathematics
1 answer:
Andrej [43]3 years ago
7 0

Step-by-step explanation:

5(x+6x-3x)

(5+30-15)x

if you open the brackets, it will be 5x+30x-15x

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Determine if the following table represents a quadratic function.
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Answer:

<em>The options are not visible enough (See Explanation)</em>

Step-by-step explanation:

Given

x:-  1   || 2   || 3   || 4   || 5

y:-  13 || 22 || 37 || 58 || 85

Required

Determine if the function is quadratic

Calculate the difference between the values of y

Difference = 22 - 13 = 9

Difference = 37 - 22 = 15

Difference = 58 - 37 = 21

Difference = 85 - 58 = 27

<em>The resulting difference are: 9 || 15 || 21 ||  27</em>

Next; Calculate the difference between the difference of values of y

Difference = 15 - 9 = 6

Difference = 21 - 15 = 6

Difference = 27 - 21 = 6

<em>The resulting difference are: 6 || 6 || 6</em>

<em>For the function to be quadratic, the above difference must be the same and since they are the same (6), then the function represents a quadratic function.</em>

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Which statements are true about the residual plot and the equation for the line of best fit for the data? select two options.. t
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The statements are true about the residual plot and the equation for the line of best fit include:

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Read more about Residual plot here brainly.com/question/16180255

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You plug in the number for x and if it is equal to the solution then it is correct
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