Answer:
No, No, Yes, Yes
Step-by-step explanation:
We can simply substitute the pairs as x and y in the equation:
(5, 0)
7*5 + 5*0 = 35 + 0 = 35
[tex]35 \ne 9[/tex]
(-4, -3)
7*(-4) + 5*(-3) = -28 - 15 = -43
[tex]-43 \ne 9[/tex]
(2, -1)
7*2 + 5*(-1) = 14 - 5 = 9
[tex]9 =9[/tex]
(-3, 6)
7*(-3) + 5*6 = -21 + 30 = 9
[tex]9 = 9[/tex]
