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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 = _____