If you answer ALL questions listed, you get a good amount of points (3 questions, 5 points each, 15 points total) :D


1) Which pair are solutions to the equation?


4xy + 8 = 36

A

(7, 1) and (3, 2)

B

(1, 7) and (7, 1)

C

(1, 7) and (4, 9)

D

(4, 9) and (3, 2)


2)

Which of the ordered pairs in the form (x, y) is a solution of this equation?


5x - y over 3 = 13,

(2, -9) (3, -6)

A

The first is not a solution, but the second is.

B

Both are solutions.

C

The first is a solution, but the second is not.

D

Neither is a solution.


3)

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


7x – 5y = 28?




Choose all answers that are correct.

A

(−6, −14)

B

(−1, −7)

C

(4, 10)

D

(7, 9)