mabrebeekael mabrebeekael

14-12-2016
Mathematics

contestada

Which ordered pairs in the form (x, y) are solutions to the equation

7x – 5y = 28?

Choose all answers that are correct.

(−6, −14)
(−1, −7)
(4, 10)
(7, 9)

Respuesta :

scme1702 scme1702

18-12-2016

We can input the values of x and y from each ordered pair and see if the equation is satisfied.

7(-6) - 5(-14) = 28
28 = 28

7(-1) - 5(-7) = 28
28 = 28

7(4) - 5(10) = 28
-22 ≠ 28

7(7) - 5(9) = 28
4 ≠ 28

The ordered pairs:
(-6 , -14)
(-1 , -7)
are solutions

Answer Link

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