Classify the conic represented by the following equation. x2 - 10x + 7y2 + y + 8 = 0
SREE
circle
O ellipse
O parabola
hyperbola

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?