Expression <0
=0
Values for variables a, b, and c
are graphed on the number line
shown.
> 0
a-b
I
b
a + b
boc
Use the graph to evaluate the
expressions in the table. Select
one column for each row in the
table to indicate whether the
expression is less than 0, equal
to 0, or greater than 0.
C-a
a + c
Select one column (vertical) for each row
(horizontal) in the table by typing an x.

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem