moorenight009 moorenight009

19-02-2021
Mathematics

contestada

What is the answer for "The points (4,r) and (8,-11) lie on a line with slope -3. Find the missing coordinate r."?

Respuesta :

mhanifa mhanifa

19-02-2021

Answer:

r = 1

Step-by-step explanation:

Use the slope formula:

m = (y₂ - y₁)/(x₂ - x₁)
m = -3, x₁ = 4, y₁ = r, x₂ = 8, y₂ = -11

Substitute values and solve for r:

-3 = (-11 - r)/(8 - 4)
-3 = -(11 + r)/4
11 + r = 12
r = 12 - 11
r = 1

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richeshagreen2801 richeshagreen2801

25-02-2021

Answer:

The answer to your question is R=1

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