The graph of a proportional relationship passes through (7,49) and (1, y). Find y.
1 answer:
You might be interested in
Answer:
The slope of the line that passes through the points (1,7) and (-4,-8) is 3.
Step-by-step explanation:
The equation of a line has the following format.
In which a is the slope.
Passes through the point (1,7)
When
So
Passes through the point (-4, -8)
When
So
We have to solve the following system
We want to find a.
From the first equation
Replacing in the second equation
The slope of the line that passes through the points (1,7) and (-4,-8) is 3.