The slope and y-intercept of the line is 2 and -7/9 respectively
slope intercept form of an equation
The formula for calculating the slope intercept form of an equation is expressed as:
y = mx + b
where
m is the slope
b is the y-intercept
Given the equation -18x-9y = 7
Write in slope intercept form
-9y = 18x + 7
y = -18/9 x - 7/9
Compare
m = -2
b = -7/9
Hence the slope and y-intercept of the line is 2 and -7/9 respectively
Learn more on slope intercept form here: https://brainly.com/question/1884491
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