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thomasin
the slope of the line is b) 9
mathstudent55
The slope-intercept form of the equation of a line is

y = mx + b,

where m = slope, and b = y-intercept.

Look at your equation.

y = 6 + 9x

Rewrite it as

y = 9x + 6

9 is where m goes, so the slope is 9.