The equation of the graph is y = 3x + 7
How to determine the equation of a line
The equation of a line is composed of;
- The y- intercept
- The slope
- The y and x variables
The formula for the equation of line is written this;
y = m x + c
Where;
- m is the slope
- c is the intercept on the y axis
From the graph shown, we can see that the intercept on y is 7, thus, c = 7
The formula for slope is given as;
m = y2 - y1/x2 - x1
m = 7 - 1/ 2 - 0
m = 6/2
m = 3
The slope of the graph is 3
Now, let's substitute into the equation for the line
y = 3x + 7
Thus, the equation of the line is y = 3x + 7
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