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krazyapril4601
27.02.2020 •
Mathematics
A line has a slope of Negative three-fifths. Which ordered pairs could be points on a parallel line? Select two options.
(–8, 8) and (2, 2)
(–5, –1) and (0, 2)
(–3, 6) and (6, –9)
(–2, 1) and (3, –2)
(0, 2) and (5, 5)
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Ответ:
The 2 options that represent the coordinates that give a slope of -3/5 are;
Option A;(–8, 8) and (2, 2)
Option D;(–2, 1) and (3, –2)
We are told that the slope of the line is -3/5.
Thus, m = -3/5
Formula for slope between two coordinates is;
m = (y₂ - y₁)/(x₂ - x₁)
A) At (–8, 8) and (2, 2);
m = (2 - 8)/(2 - (-8))
m = -6/10
m = -3/5
B) At (–5, –1) and (0, 2);
m = (2 - (-1))/(0 - (-5))
m = 3/5
C) At (–3, 6) and (6, –9);
m = (-9 - 6)/(6 - (-3))
m = -15/9
m = -5/3
D) At (–2, 1) and (3, –2);
m = (-2 - 1)/(3 - (-2))
m = -3/5
E) At (0, 2) and (5, 5);
m = (5 - 2)/(5 - 0)
m = 3/5
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Ответ:
(–8, 8) and (2, 2) & (–2, 1) and (3, –2)
Step-by-step explanation:
m = (2-8)/(2-(-8)) = -6/10 = -⅗
m = (-2-1)/(3-(-2)) = -⅗
Ответ: