which of the following is the equation for a parabola with a vertex of (-5,-1) and a directrix of y=4?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

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