What types of solutions will a quadratic equation have when the discriminant b^2−4ac in the quadratic formula is zero? Two non real solutions
One real solution
Two real solutions
No solutions

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Convert 2000 swiss francs to dutch guilders

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?