cosayraekwon cosayraekwon

04-12-2018
Mathematics

contestada

The points (-1,4) and (2,r) lie on the line with slope -3. Find the missing coordinate r. R=?

Respuesta :

2018bbenzenhafe 2018bbenzenhafe

04-12-2018

Answer:

r=-5

Step-by-step explanation:

-3=r-4/2-(-1) (plug into the slope formula)

-3=r-4/3 (solve the denominator)

-9=r-4 (multiply both sides by 3)

-5=r (add 4 to both sides)

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