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nina7163
14.02.2021 •
Mathematics
7 1/5 – 6 2/5 = ?
А. 1 1/5
в. 4/5
с. 1 4/5
D. 13 3/5
D)correct?
Solved
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Ответ:
the answer is letter B
Ответ:
y = -5*x + b
Step-by-step explanation:
A line is written as:
y = a*x + b
where a is the slope and b is the y-intercept.
IIf we have a line that passes through the points (x1, y1) and (x2, y2) then the slope of the line is:
a = (y2 - y1)/(x2 - x1)
In this case we can see that the line passes through the points:
(0, 2) and (1, - 3)
Then the slope is:
a = (-3 - 2)/(1 - 0) = -5
Then our line is:
y = -5*x + b
And when x = 0, y = 2 then:
y = 2 = -5*0 + b
2 = b
Our line is:
y = -5*x + b