To determine which line has a slope of 7, let’s analyze each equation:
A. y = 77x + 2
This is in slope-intercept form y = mx + b, where m represents the slope. In this equation, the slope is 77, not 7.
B. 3x + y = 10
To find the slope, rewrite this in slope-intercept form: y = −3x + 10. The slope is -3, not 7.
C. y − 1 = 7(x − 3)
This is in point-slope form , where the coefficient of (x − 3) is the slope. Here, the slope m is 7.
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