What are the zeroes of f(x)=(x-7)(x+8)

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

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