what is the slope of the line described by the equation below? y - 9 = -2(x - 8) a. 9 b. 2 c. -9 d. -2
The slope of the given line is -2
The equation of a line in slope-intercept form is expressed a y = mx + b
where:
m is the slope
Given the equation
y - 9 = -2(x - 8)
Rewrite in slope intercept form
y - 9 = -2x + 16
y = -2x + 25
Since mx = -2x
m = -2
Hence the slope of the given line is -2
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