Answer: to be honest I don’t know.
Step-by-step explanation:
Parallel are two equations that have the same slope but different y intercepts.
If the y intercepts are also the same, it is just the same line.
Answer:
x=2+ or - the square root of 3
Step-by-step explanation:
solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula.
Answer with Step-by-step explanation:
Let A is non-singular

We have to prove that
is unique.
Suppose B and C are inverse of A such that
and AC=I
By using property 




Hence, the inverse of A is unique.