1. Review Unit 6 Test 1

2. Distance Find the distance between the two points.
1. (1, 7) and (3, -9)
2. (-1, 6) and (-5, -1)
3. (0, 4) and (10, 8)

3. Distance Answers Find the distance between the two points.
1. (1, 7) and (3, -9)
16.12
2. (-1, 6) and (-5, -1)
8.06
3. (0, 4) and (10, 8)
10.77

4. Midpoint
Find the midpoint of the line segment with the following endpoints.
1. (1, 7) and (3, -9)
2. (-1, 6) and (-5, -1)
3. (0, 4) and (10, 8)

5. Midpoint Answers
Find the midpoint of the line segment with the following endpoints.
1. (1, 7) and (3, -9)
(2, -1)
2. (-1, 6) and (-5, -1)
(-3, 2.5)
3. (0, 4) and (10, 8)
(5, 6)

6. Parallel/Perpendicular
Write the equation of the line parallel to y = 3x – 4 that passes through the point (1, 5).
Write the equation of the line perpendicular to 3x – 7y = 20 that passes through the point (-2, 4).

7. Parallel/Perpendicular Answers
Write the equation of the line parallel to y = 3x – 4 that passes through the point (1, 5).
y – 5 = 3(x – 1)
Write the equation of the line perpendicular to 3x – 7y = 20 that passes through the point (-2, 4).
y – 4 = -7/3(x + 2)

8. Parallel/Perpendicular
Write the equation of the line parallel to y = -2x – 1 that has a y-intercept of 4.
Write the equation of the line perpendicular to y = 3x + 2 that has a y-intercept of -3.

9. Parallel/Perpendicular Answers
Write the equation of the line parallel to y = -2x – 1 that has a y-intercept of 4.
y = -2x + 4
Write the equation of the line perpendicular to y = 3x + 2 that has a y-intercept of -3.
y = -1/3x – 3

10. Parallel/Perpendicular
Write any two lines that are parallel to each other.

11. Parallel/Perpendicular
Find the slope of a line perpendicular to y = 3x + 4.
Find the slope of a line parallel to x + 4y = 24.

12. Parallel/Perpendicular Answers
Find the slope of a line perpendicular to y = 3x + 4.
m = -1/3
Find the slope of a line parallel to x + 4y = 24.
m = 1/2

13. Line Segments Line segment DF has endpoints D (-1, 6) and F (3, -2).
1. Find the midpoint of DF.
2. Find the length of DF.
3. Is DF congruent to segment AC with endpoints A (-4, -1) and C (2, 4)?

14. Line Segments Answers
Line segment DF has endpoints D (-1, 6) and F (3, -2).
1. Find the midpoint of DF. (1, 2)
2. Find the length of DF. 8.94
3. Is DF congruent to segment AC with endpoints A (-4, -1) and C (2, 4)?
No, AC has length 7.8

15. Midpoints
The point B is the midpoint of segment AC. Point A has coordinates (2, 4). If point B has coordinates (-1, 6), what are the coordinates of the other endpoint C?