Question

Is (-1,2) a solution of y = 2x + 4?

Answer 1

Answer:

Yes

Step-by-step explanation:

(-1,2) means x = -1, y =2

y=2x + 4

2 = -2 + 4

2 =2

The statement is correct, so (-1,2) is a solution of y=2x+4

Answer 2

Answer: yes

Y=2x+4

2x-y= -4

2(-1)-(2)= -4

-2-2= -4

-4= -4