The equation of the line is y = 9. Option D
How to determine the equation of a line
The formula for equation of a line is expressed as;
y = mx + c
Where;
- m is the slope of the line
- c is the intercept on the y - axis
- x and y are the points
Given the points ( -6, 9) and m = 0
Substitute the values
9 = 0(-6) + c
c = 9
The equation of the line is y = 9
Thus, the equation of the line is y = 9. Option D
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