1. Geometry Pre-AP
BOMLA LacyMath

2. Conditional Statements
A statement that can be written in “if-then” form.
Conditional Statements

3. Conditional Statements
A statement that can be written in “if-then” form.
Ex: If you finish your homework, then you can play your PS4.
Conditional Statements

4. Conditional Statements
Written in the form… if p, then q.
Conditional Statements

5. Conditional Statements
Written in the form… if p, then q.
Phrase following the word if is the hypothesis.
Phrase following the word then is the conclusion.
Conditional Statements

6. Conditional Statements
Ex: If you finish your homework, then you can play your PS4.
Hypothesis: You finish your homework
Conclusion: You can play your PS4.
Conditional Statements

7. Conditional Statements
Example 2
If points A, B, and C lie on line l, then they are collinear.
Conditional Statements

8. Conditional Statements
Example 2
If points A, B, and C lie on line l, then they are collinear.
What is the hypothesis?
What is the conclusion?
Conditional Statements

9. Conditional Statements
Example 2
If points A, B, and C lie on line l, then they are collinear.
What is the hypothesis?
Points A, B, and C lie on line l
What is the conclusion?
Conditional Statements

10. Conditional Statements
Example 2
If points A, B, and C lie on line l, then they are collinear.
What is the hypothesis?
Points A, B, and C lie on line l
What is the conclusion?
They, (the points), are collinear
Conditional Statements

11. Conditional Statements
Review: The truth value of a statement is true or false.
The hypothesis, conclusion, and the conditional statement itself all have a truth value!
Conditional Statements

12. Conditional Statements
Example 3
If you get 100% on your test, then your teacher will give you an A.
Conditional Statements

13. Conditional Statements
You can write statements in if-then form when you identify the hypothesis and the conclusion.
Conditional Statements

14. Conditional Statements
You can write statements in if-then form when you identify the hypothesis and the conclusion.
Example 4
An angle with a measure greater than 90 is an obtuse angle.
Conditional Statements

15. Conditional Statements
You can write statements in if-then form when you identify the hypothesis and the conclusion.
Example 4
An angle with a measure greater than 90 is an obtuse angle.
Hypothesis: an angle has a measure greater than 90
Conclusion: it is an obtuse angle
Conditional Statements

16. Conditional Statements
Example 4
An angle with a measure greater than 90 is an obtuse angle.
Hypothesis: an angle has a measure greater than 90
Conclusion: it is an obtuse angle
If an angle has a measure greater than 90, then it is an obtuse angle.
Conditional Statements

17. Conditional Statements
Related Conditionals!!!
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Conditional Statements

18. Conditional Statements
Classwork
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#18 – 21
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#22, 24, 26 – 29, 35 – 38
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#48, 49
Conditional Statements