1. 4-4 PARALLEL & PERPENDICULAR LINES OBJECTIVES: 1.WRITE AN EQUATION OF THE LINE THAT PASSES THROUGH A GIVEN POINT, PARALLEL TO A GIVEN LINE. 2.WRITE AN EQUATION OF THE LINE THAT PASSES THROUGH A GIVEN POINT, PERPENDICULAR TO A GIVEN LINE.

2. PARALLEL LINES: Have the same slope Don’t ever cross(intersect)

3. EXAMPLE 2: IDENTIFY WHICH LINES ARE PARALLEL

4. EXAMPLE 3: IDENTIFY WHICH LINES ARE PARALLEL.

6. TRIVIA… 1. What baseball team did Babe Ruth first play for? Boston Red Sox 2. What company did Bill Gates start? Microsoft

9. PERPENDICULAR LINES: Have opposite (+ or - ) reciprocal slopes Cross(intersect) making a right (90 º ) angle.

10. EXAMPLE 6: WRITE THE PERPENDICULAR SLOPE TO EACH OF THE FOLLOWING:

11. EXAMPLE 7: IDENTIFY WHICH LINES ARE PERPENDICULAR

12. EXAMPLE 8: IDENTIFY WHICH LINES ARE PERPENDICULAR.

14. TRIVIA… 1. What is the name of Homer Simpson's boss? Mr. Burns 2. What number was Michael Jordan drafted in 1984? 3 3. Who was the first winner on "American Idol?" Kelly Clarkson

17. PRACTICE WS

18. HOMEWORK: Pages 242 – 244: 17, 21, 22, 25, 27, 29, 33-41 odd, 47