Which is a solution to the equation 4x + y = –6? A.(-2,-2) B.(2,-2)C.(-2,2)D.(2,-4)

Question

Please help me!

Answer 1

You can do a guess and check substituting values into the equation

 

A. has point (-2,-2)

 

4(-2)-2=-6

-8-2 = -6

-10 = -6

False.

 

B. has point (2,-2)

 

4(2)-2=-6

8-2=-6

6=-6

False.

 

C. has point (-2,2)

 

4(-2)+2=-6

-8+2=-6

-6=-6

True.

 

The answer is C

Answer 2

Plugging in all the options, the only correct answer is option C, (-2, 2).  -8+2=-6