Match each pair of points to the slope of the line that joins them.
1. 4
2.-3
A. (9,10) and (7,2)
B. (-8,-11) and (-1,-5)
C. (5,-6) and (2,3)
D. (6,3) and (5,-1)
E. (4,7) and (6,2)
3. -
ulo nich
4.

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?