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Sagot :
To find the slope of the trend line that passes through the points [tex]\((-3, 3)\)[/tex] and [tex]\((18, 26)\)[/tex], we use the slope formula for a line through two points [tex]\((x_1, y_1)\)[/tex] and [tex]\((x_2, y_2)\)[/tex]:
[tex]\[ \text{slope} = \frac{y_2 - y_1}{x_2 - x_1} \][/tex]
Given the coordinates:
[tex]\[ (x_1, y_1) = (-3, 3) \][/tex]
[tex]\[ (x_2, y_2) = (18, 26) \][/tex]
Plugging these values into the slope formula:
[tex]\[ \text{slope} = \frac{26 - 3}{18 - (-3)} \][/tex]
[tex]\[ \text{slope} = \frac{26 - 3}{18 + 3} \][/tex]
[tex]\[ \text{slope} = \frac{23}{21} \][/tex]
So, the slope of the trend line that passes through the points [tex]\((-3, 3)\)[/tex] and [tex]\((18, 26)\)[/tex] is
[tex]\[ \boxed{\frac{23}{21}} \][/tex]
[tex]\[ \text{slope} = \frac{y_2 - y_1}{x_2 - x_1} \][/tex]
Given the coordinates:
[tex]\[ (x_1, y_1) = (-3, 3) \][/tex]
[tex]\[ (x_2, y_2) = (18, 26) \][/tex]
Plugging these values into the slope formula:
[tex]\[ \text{slope} = \frac{26 - 3}{18 - (-3)} \][/tex]
[tex]\[ \text{slope} = \frac{26 - 3}{18 + 3} \][/tex]
[tex]\[ \text{slope} = \frac{23}{21} \][/tex]
So, the slope of the trend line that passes through the points [tex]\((-3, 3)\)[/tex] and [tex]\((18, 26)\)[/tex] is
[tex]\[ \boxed{\frac{23}{21}} \][/tex]
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