Question

Which pairs are solutions to the equation?

5xy + 9 = 44

A.
(1, 7) and (7, 1)

B.
(1, 7) and (4, 11)

C.
(4, 11) and (2, 3)

D.
(7, 1) and (2, 3)

Answer 1

rearrange..
5 xy = 44-9
5 xy = 35
xy = 7

So x times y must equal 7...now look at your choices

Answer 2

So the answer will be A (1,7) and (7,1)

Answer 3

oh okay i thou it would be A but i was not sure