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MalikaJones
03.02.2021 •
Mathematics
100 points and brainliest to whoever gives a good explanation and answer to the question. The graph shows a proportional relationship which equation matches the graph?
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Ответ:
B
Step-by-step explanation:
We are given a proportional relationship and we want to find the equation that models it.
Since the relationship is proportional, we know that it must go through the origin point (0, 0).
Also, we can see from the graph that it passes through the point (1, 3).
We can now find the constant of proportionality or the slope using the slope formula:
Let (0, 0) be (x₁, y₁) and let (1, 3) be (x₂, y₂). Hence:
Our constant of proportionality is 3.
A proportional relationship is given by:
Where k is the constant of proportionality.
So:
Our answer is B.
Ответ:
y-8=2(x+2)
Step-by-step explanation:
Equation of a line is easy once you get the hang of it. State with the point slope form y-y2=m(x-x2) Simply plug in the points given to get the equation.