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For each ordered pair, determine whether it is a solution to 4x+7y= -19. Is it a solution? Х 5 ? Yes No (6,2) (4, 5) (-3,-1) (-8, 4)

User Itzo
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2.6k points

1 Answer

9 votes
9 votes

determine whether it is a solution to 4x+7y= -19

(6, 2) No

4*6 + 7*2 = -19

24 + 14 = -19

38 = -19 False

(4, 5) No

4*4 + 7*5 = -19

16 + 35 = -19

51 = -19 False

(-3, -1) Yes

4*-3 + 7*-1 = -19

-12 -7 = -19

-19 = -19 True

(-8, 4) No

4*-8 + 7*4 = -19

-32 +28 = -19

-4 = -19 False

User Jin Kim
by
3.4k points
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