What is the sum of one sixth and thrice of n
2 answers:
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Answer:
- y = x -1
- no
Step-by-step explanation:
A graph quickly answers this question.
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The given points have a horizontal difference of 4-(-1) = 5 and a vertical difference of 3-(-2) = 5, so the slope of the line between them is ...
m = Δy/Δx = 5/5 = 1
The point-slope form of the equation for a line can be written ...
y = m(x -h) +k . . . . . for slope m through point (h, k)
Using the first point and the slope we found, we can write the equation as ...
y = 1(x -(-1)) +(-2)
y = x -1 . . . . . . . . . simplify; this is the equation of the line
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When we try the third point in this equation, we get ...
y = 3 -1 = 2 ≠ 1 . . . . . the third point is not on the line
