1. Mrs. Rivas Page 129-130 # 1-21 all and page 132 # 31-33 all

2. Mrs. Rivas Conclusion Deductive reasoning Truth value Converse biconditional theorem hypothesis

3. Mrs. Rivas

4. Sample; Portland, Maine.

5. Mrs. Rivas If a person is a motorcyclist, then that person wears a helmet. If two nonparallel lines intersect, then they intersect in one point. If two  s form a linear pair, then the  s are supplementary. If today is a certain holiday, then school is closed.

6. Mrs. Rivas Converse: If the measure of an  is greater than 90 and less than 180, then the  is obtuse. TRUE Inverse: If an angle is not obtuse, then is not true that its measure is greater than 90 and less than 180. TRUE TRUE Contrapositive: If the measure of an ∠ is not greater than 90 and less than 180, then the ∠ is not obtuse. TRUE

7. Mrs. Rivas Converse: If a figure has four sides, then the figure is a square. FALSE, it could be a trapezoid. Inverse: If a figure is not a square, then it does not have four sides. FALSE, it could be a rectangle. TRUE Contrapositive: If a figure doesn’t have four sides, then the figure is not a square. TRUE

8. Mrs. Rivas Converse: If you play an instrument, then you play he tuba. FALSE, you could play the violin. Inverse: If you do not play the tuba, then you do not play an instrument. FALSE TRUE Contrapositive: If you don’t play an instrument, then you don’t play the tuba. TRUE

9. Mrs. Rivas Converse: If you are busy on Saturday night, then you baby-sit. FALSE Inverse: If you do not baby-sit, then you are not busy on Saturday night. FALSE TRUE Contrapositive: If you are not busy on Saturday night, then you will not baby-sit. TRUE

10. Mrs. Rivas Given Segment Addition Post. Substitution Property Distributive Property Substraction Property Division Property

11. Mrs. Rivas BY (P − 2q)