18
x - y = 3
2x = 2y + 6
The system of equations above has how many
solutions?
(A) None
(B) Exactly one
(C) Exactly two
(D) Exactly three
(E) Infinitely many
The system of equations above has how many
solutions?
(A) None
(B) Exactly one
(C) Exactly two
(D) Exactly three
(E) Infinitely many
Answer: E
Highlight 'Answer:' with your mouse, to see the answer choice.
Put your answers in comments section.
Highlight 'Answer:' with your mouse, to see the answer choice.
Put your answers in comments section.
Solution:
ReplyDeleteEquation 1 is x - y = 3
x = y + 3
Multiply by 2 on both the sides
2x = 2y + 6
which is nothing but equation 2, hence we can not have an unique solution.This will have infinite solutions.