If there were 310 million people in the United States, what was the daily consumption rate in barrels per person in the United S
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The linear relationships that are proportional relationship are y = (-2)x , y = (3/5)x , y = - (1/2)x .
A linear relationship in the form of y = mx + c is said to be a proportional relationship when c = 0 .
in the question
Part(a)
the equation is y (2)x - 3
on comparing it with y = mx + c , we get c = -3 , which is not 0 .
So , it is not a proportional relationship .
Part(b)
the equation is y (-2)x
on comparing it with y = mx + c , we get c = 0 ,
So , it is a proportional relationship .
Part(c)
the equation is y (3/5)x
on comparing it with y = mx + c , we get c = 0 ,
So , it is a proportional relationship .
Part(d)
the equation is y - (1/2)x
on comparing it with y = mx + c , we get c = 0 ,
So , it is a proportional relationship .
Therefore, The linear relationships that are proportional relationship are y = (-2)x , y = (3/5)x , y = - (1/2)x , that are options (b) , (c) and (d) .
The given question is incomplete , the complete question is
Which of the following linear relationships is NOT also a proportional relationship?
(a) y = (2)x - 3
(b) y = (-2)x
(c) y = (3/5)x
(d) y = - (1/2)x
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Answer:
Step-by-step explanation:
Point-slope is:
We have to complete the point-slope equation of the line through (1,3) (5,1).
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We have a incomplete equation of the line.
We need to find the <u>slope</u> of the line, and the <u>value</u> of .
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<h3>Finding 'x1':</h3>It seems that the value of 3 was used to be . This means that the point
was used for the equation. This means that
would have to be 1.
Slope is rise over run.
We are given the points (1,3) and (5,1).
The slope is one-half.
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We now have enough information to complete the point-slope equation.
Our final equation is: