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RSB [31]
1 year ago
10

Please help me solve this, also the cut off part just says dont use spaces in your answers

Mathematics
1 answer:
Alisiya [41]1 year ago
7 0

the equation of the line is

y = -3x + 6

slope is m = -3

as we know that for parallel lines, the slope is always equal.

so the slope of the new line is also m = -3

it is also passing through (-4,9)

so the equation of the line i s

y-9=m(x-(-4))

m= -3

y-9=-3(x+4)_{}

\begin{gathered} y-9=-3x-12 \\ y=-3x-12+9 \\ y=-3x-3 \end{gathered}

so the answer is y = -3x - 3

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ŷ= 1.795x +2.195 is the equation for the line of best fit for the data

<h3>How to use regression to find the equation for the line of best fit?</h3>

Consider the table in the image attached:

∑x = 29,  ∑y = 74, ∑x²= 125, ∑xy = 288,  n = 10 (number data points)

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a = ( n∑xy -(∑x)(∑y) ) / ( n∑x² - (∑x)² )

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y' = 74/10 = 7.4

b = y' - ax'

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ŷ= 1.795x +2.195

Therefore,  the equation for the line of best fit for the data is ŷ= 1.795x +2.195

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3 0
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Answer:

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What is the value of the expression below when y=2 AND z=8?<br> 8y-z
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Step-by-step explanation:

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