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12-08-2019
Mathematics

contestada

which ordered pair is a solution of the equation y=-2x+5
A) only (2,-9)
B) only (-2,9)
C) Both (2,-9) and (-2,9)
D) Neither

Respuesta :

Аноним Аноним

12-08-2019

Answer:

A) y=-2x+5 (2,-9) Use substitution method

-9= -2(2)+9

-9= -4+9

-9= 5

B) y=-2x+5 (-2,9)

9= -2(-2)+5

9= 4+5

9= 9

Answer : B) only (-2,9)

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