2(-1) + 3 = -2 + 3 = 1 Hence the third option.
Six nights.
1. Saturday night
2. Sunday night
3. Monday night
4. Tuesday night
5. Wednesday night
6. Thursday night
The point-slope form:

m - slope
(x₁, y₁) - point
The formula of a slope:

We have the points (-2, 7) and (1, 1). Substitute:

<em>point-slope form</em>
<em> slope-intercept form</em>
<em>standard form</em>
Answer:
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