Question 3 of 10 What is the first step in solving a quadratic equation of the form given below? (ax + b)2 = 0 O A. Factor out a common factor OB. Use the zero product rule O C. Take the square root of both sides D. Divide both sides by c SUBMIT

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