If K(-1, 2) is reflected over the x-axis, then the image is K'
2 answers:
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We know that our function is 
; the only thing we need to find 
is replace 
with 
in our original function:
Now, lets simplify our function:
After simplify our function, we can conclude that
Now, lets simplify our function:
After simplify our function, we can conclude that
Answer:
1.Corresponding angles theorem
2.Linear postulate
3.By the definition of supplementary angles
Step-by-step explanation:
We are given that
and y is a transversal.
We have to prove and
are supplementary
Proof:
1.Given that and y is a transversal.
We know that
Reason:Corresponding angles theorem
Therefore,
by the definition of congruent.We also know that, by definition, angle 3 and angle 1 are a linear pair.
Therefore, they are supplementary by linear pair postulate
By the definition of supplementary angles
Now, we can substitute
Then, we get
Therefore, by the definition of supplementary angles,angle 3 and angle 5 are supplementary