Which representation has a constant of variation of –2.5? A
x
–2
–3
–4
–5
y
–5
–7.5
–10
–12.5

B
5 x + 2 y = 0

C
y = negative 2.5 x + 1

D
On a coordinate plane, a line goes through points (negative 1, 0) and (0, negative 2).

A
B
C
D
Mark this and return

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