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jazminpratt0311
02.07.2019 •
Mathematics
Which of the linear equations represents the graphed line? a) y = 3 2 x + 1 b) y = 2 3 x + 1 c) y = -2 3 x + 1 d) y = -3 2 x + 1
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Ответ:
The linear equation of the graph is y = 2/3 x + 1
Let's find the slope of the graph using the coordinates (0, 1) (-3, -1)
m = y₂ - y₁ / x₂ - x₁
m = -1 - 1 / -3 - 0
m = -2/-3
m = 2/3
Using the slope intercept form,
y = mx + c
where
m = slope
c = y- intercept(This is when x = 0)
Therefore,
c = 1
Finally, the equation will be
y = 2/3 x + 1
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Ответ:
The y intercept is 1 as this is where the graph crosses the y axis. So b = 1
The slope is m = 2/3 because we go up 2 for each time we move 3 units to the right. Example: moving from (0,1) to (3,3)
That means y = mx+b turns into![y = \frac{2}{3}x+1](/tpl/images/0043/5807/a9c51.png)
This looks like choice B is the closest match though the formatting you posted is a bit jumbled.
Ответ:
THANKS
Step-by-step explanation: