Unit 4 Retest

What is the distance between (2,4) and (6,7)?

• 9

• 5

• 4

• 3

What is the distance between (-5, 1) and (8, -4)?

• 12

• 5.8

• 11.2

• 13.9

What is the distance between (1, -3) and (0, 10)?

• 7

• 13.1

• 13

• 7.1

The midpoint of line segment XY is (3, -3). If the coordinates of point X are (1, 1), what are the coordinates of Y?

• (5, -7)

• (-5, -7)

• (-7, 5)

• (7, 5)

Find the midpoint between (7, 2) and (-1, 0).

• (4, 1)

• (1, 3)

• (3, 1)

• (4, -1)

Find the coordinates of the midpoint of the line segment that spans from (-3, -3) to (7, 7)

• (-2, 2)

• (2, 2)

• (-2 -2)

• (2, -2)

What kind of relationship do the following lines have?

8x - 4y = 16

and

-2y = -4x + 14

• Parallel

• Perpendicular

• Neither

What is the relationship between the following lines?

2x + 7y = 28

and

7x - 2y = 4

• Parallel

• Perpendicular

• Neither

What is the relationship between the following lines?

y = 4x + 17

and

y = 4x - 2

• Parallel

• Perpendicular

• Neither

Give an equation that is perpendicular to y = 3x - 7

• y = 3x + 7

• y = -3x - 7

• y = -1/3x + 14

• y = 1/3x + 6