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GEOMETRY Name: ______________________________ Worksheet 3– 6 Date: ______________ Period:__________ For numbers 1 - 7, fill in the blank with words from your notes. 1. The formula for slope is ________________ ; y 2 y1 represents the __________, and x2 x1 represents the ______________. 2. A line with positive slope is __________________. 3. A line with zero slope is ____________________. 4. A line with _____________ slope is decreasing. 5. A line with _____________ slope is vertical. 6. If two lines are perpendicular, their slopes are ___________________. 7. If two lines are parallel, their slopes are ____________________. For 8 – 10, find the opposite reciprocal of each number given. 8. 1 2 9. –4 10. -1 Solve the following problems. Show all calculations. 11. Given the points (2,0) and (3,4), find the slope. 12. Given the points (11,7) and (0,-4) find the slope. 13. Find the slope of a line parallel to the line passing through (8,-5) and (2,-3). 14. Find the slope of a line perpendicular to the line passing through (1,9) and (-7,-3). 16. 17. AB // DC, AD // BC, m∠ CBE = 24 115° 1 32° A 4 1 B 2 3 4 3 D 2 E C m∠ 1 = _____, m∠ 2 = _____ m∠ 1 = _____, m∠ 2 = _____, m∠ 3 = _____ m∠ 3 = _____, m∠ 4 = _____ m∠ 4 = _____ 18. 4y 6y x x = _____, y = _____