tiffanyvariste01 tiffanyvariste01

19-09-2022
Mathematics

contestada

Question 1
What is the slope of the line that passes through the points
(-9, 8) and (-3,-1)?

Respuesta :

tomson1975 tomson1975

19-09-2022

Greetings from Brasil...

It is possible to answer this question through Determinant

| X Y 1 |

| X₁ Y₁ 1 | = 0

| X₂ Y₂ 1 |

We have:

(X₁; Y₁) = (-9; 8)

(X₂; Y₂) = (-3; -1)

then

| X Y 1 |

| -9 8 1 | = 0

| -3 -1 1 |

9X + 6Y + 33 = 0

Ver imagen tomson1975

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