10-15-13

GEOMETRY

QCR

1. The midpoint of lines segment AC is (8,15) and the coordinate of point A is (11,20). What is the co-ordinate of point C?

A B C

C =

QCR

2. A is the midpoint of DV. Find the value of x.

UNIT 2: REASONING & PROOFS

• Conditional Statements• A conditional statement uses the words if and then.

For example:If you stand in the rain, then you will get

wet.

hypothesis conclusion

• View Pearson 2.2 video.

GUIDED PRACTICE

• Underline the hypothesis and circle the conclusion in the following sentences.

1. If you work for pay, then you will earn money.

2. Vertical angles are formed if two lines intersect.

INDEPENDENT PRACTICE

Identify the hypothesis and conclusion of each conditional.

1.If the shoe fits, then you can wear it.

2.If you are a lawyer, then you passed the bar exam.

3.If it is a fish, then it lives in water.

INDEPENDENT PRACTICE

• Underline the hypothesis and circle the conclusion.

• 1. If you can predict the future, then you can control the future.

• 2. If Dan is nearsighted, then Dan needs glasses.

• 3. If lines k and m are skew, then lines k and m are not perpendicular.

ANGLE PAIRS REVIEW

Identify:• Vertical pair ____________• Supplementary Angles ____________• Complementary Angles _____________• Linear Pair __________________• Adjacent Angles _________________

Homework Worksheet

Summary: Write a conditional statement of your own. It does not have to be about geometry.