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A direct variation function contains the points (-9, -3) and (-12, 4). Which equation represents the function" y=-3x 0 y=- Oy y = 3x

A direct variation function contains the points (-9, -3) and (-12, 4). Which equation represents the function" y=-3x 0 y=- Oy y = 3x
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4 votes
A direct variation function contains the points (-9, -3) and (-12, 4). Which equation represents the function"

y=-3x
0 y=-
Oy
y = 3x

asked
User Miknik
by
8.1k points

1 Answer

3 votes
4-(-3)/-12-(-9) = 7/-3



Y= -7/3x
-3= -7/3(-9) +b
-3= 21 + b
B= 18


Y= -7/3x + 18
Hope this helps!
answered
User Kidbilly
by
7.9k points
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