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What is the “Right-Brained/left-brained” argument?. 1/17/12 Warm-up. 1/17/12 Warm-up.
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What is the “Right-Brained/left-brained” argument? 1/17/12 Warm-up
1/17/12Warm-up • There is not really an argument, but both sides of the brain process different information. Sometimes people say your are “one-brained dominant” because you tend to emulate the abilities of what that side of the brain controls. • For example, left-brained people are good at logic and calculation, while right-brained people are better at spatial understanding.
1/17/12Warm-up • What is the difference between the circumcenter and the incenter?
1/17/12Warm-up • What is the difference between the circumcenter and the incenter? • The circumcenter is the point of concurrency of the perpendicular bisectors and is equidistant from the vertices
1/17/12Warm-up • What is the difference between the circumcenter and the incenter? • The circumcenter is the point of concurrency of the perpendicular bisectors and is equidistant from the vertices • The incenter is the point of concurrency of the angle bisectors and is equidistant from the sides
1/17/12Warm-up • You drove to your cousin’s house, which is 460 miles away. After two hours, you had gone 100 miles. After 8 hours, you reached your destination. Write an equation that gives the number of miles you had driven, y, in terms of the number of hours you had driven, x.
1/17/12Warm-up • You drove to your cousin’s house, which is 460 miles away. After two hours, you had gone 100 miles. After 8 hours, you reached your destination. Write an equation that gives the number of miles you had driven, y, in terms of the number of hours you had driven, x. • What are the two points you have to work with? (time is on the x-axis)
1/17/12Warm-up • You drove to your cousin’s house, which is 460 miles away. After two hours, you had gone 100 miles. After 8 hours, you reached your destination. Write an equation that gives the number of miles you had driven, y, in terms of the number of hours you had driven, x. • What are the two points you have to work with? (time is on the x-axis) (2, 100) and (8, 460)
1/17/12Warm-up • You drove to your cousin’s house, which is 460 miles away. After two hours, you had gone 100 miles. After 8 hours, you reached your destination. Write an equation that gives the number of miles you had driven, y, in terms of the number of hours you had driven, x. • What are the two points you have to work with? (time is on the x-axis) (2, 100) and (8, 460) y = 60x – 20
1/17/12Warm-up • Complete the two-column proof J Given: JL NL K M L is the midpoint of KM L Prove: JKL NML Statements:Reasons: N 1. JL NL 1. 2. 2. Given 3. 3. Vertical Angles Thrm 4. KL ML 4. 5. JKL NML 5.
1/17/12Warm-up • Complete the two-column proof J Given: JL NL K M L is the midpoint of KM L Prove: JKL NML Statements:Reasons: N 1. JL NL 1. Given 2. 2. Given 3. 3. Vertical Angles Thrm 4. KL ML 4. 5. JKL NML 5.
1/17/12Warm-up • Complete the two-column proof J Given: JL NL K M L is the midpoint of KM L Prove: JKL NML Statements:Reasons: N 1. JL NL 1. Given 2. L is the midpoint 2. Given 3. 3. Vertical Angles Thrm 4. KL ML 4. 5. JKL NML 5.
1/17/12Warm-up • Complete the two-column proof J Given: JL NL K M L is the midpoint of KM L Prove: JKL NML Statements:Reasons: N 1. JL NL 1. Given 2. L is the midpoint 2. Given 3. LJLK LJLN 3. Vertical Angles Thrm 4. KL ML 4. 5. JKL NML 5.
1/17/12Warm-up • Complete the two-column proof J Given: JL NL K M L is the midpoint of KM L Prove: JKL NML Statements:Reasons: N 1. JL NL 1. Given 2. L is the midpoint 2. Given 3. LJLK LJLN 3. Vertical Angles Thrm 4. KL ML 4. Definition of midpoint 5. JKL NML 5.
1/17/12Warm-up • Complete the two-column proof J Given: JL NL K M L is the midpoint of KM L Prove: JKL NML Statements:Reasons: N 1. JL NL 1. Given 2. L is the midpoint 2. Given 3. LJLK LJLN 3. Vertical Angles Thrm 4. KL ML 4. Definition of midpoint 5. JKL NML 5. SAS