An equation in the system is y = x + 1. What is the other equation in the system if the solution is only at (0, 1)?

Select one of the options below as your answer:

A.
x − y = 1

B.
2x + 2y = 4

C.
x + y = 1

D.
x + 2y = 2

Question

An equation in the system is y = x + 1. What is the other equation in the system if the solution is only at (0, 1)?

Select one of the options below as your answer:
 


A. 
x − y = 1




B. 
2x + 2y = 4




C. 
x + y = 1




D. 
x + 2y = 2

ivettef365 · Answer

just insert the points on the equation to see which one is true
example  points (0,1)

a)   x - y = 1
      0 -1 = 1
         -1 = -1   NOT TRUE incorrect

keep trying the others.

ivettef365 · Answer

I meant   -1 = 1  not true