Parallel and Perpendicular Lines

A line that is parallel to this line would have what slope?
y= 2x - 7

• 2

• 1/2

• -1/2

• 7

Which is the equation of the line that is parallel to the graph of 5x - y = -7 and has a y-intercept at (0, -2)?

• y = 5x - 2

• y = -2x + 7

• y = 5(x - 2)

• y = -1/5x - 2

Parallel lines have _________________ slope.

• The Same

• Opposite Reciprocal

Determine if segments AB and CD are parallel, perpendicular, or neither.

• Parallel

  AB: m = 4/3

  CD: m = 4/3

• Perpendicular

  AB: m = -4/3

  CD: m = 3/4

• Parallel

  AB: m = 3/4

  CD: m = 3/4

• Perpendicular

  AB: m = -3/4

  CD: m = 4/3

• Neither

  AB: m = 4

  CD: m = 3

Determine if segments AB and CD are parallel, perpendicular, or neither.

• Parallel

  AB: m = 2/3

  CD: m = 2/3

• Perpendicular

  AB: m = 2/3

  CD: m = -3/2

• Parallel

  AB: m = -2/3

  CD: m = -2/3

• Perpendicular

  AB: m = -2/3

  CD: m =3/2

• Neither

  AB: m = 2

  CD: m = -3

Determine if the given equations are parallel, perpendicular, or neither.

• Parallel

  y = 1/2x - 2 (m = 1/2)

  y = 1/2x - 1 (m = 1/2)

• Perpendicular

  y = 1/2x -2 (m = 1/2)

  y = -2x - 1 (m = -2)

• Parallel

  y = 2x - 2 (m = 2)

  y = 2x - 1 (m = 2)

• Perpendicular

  y = 2x - 2 (m = 2)

  y = -1/2x - 1 (m = -1/2)

• Neither

  y = -2x + 8 (m = -2)

  y = 3x + 6 (m = 3)

Determine if the given equations are parallel, perpendicular, or neither.

• Parallel

  y = 4/3 x + 5 (m = 4/3)

  y = 4/3x + 1 (m = 4/3)

• Perpendicular

  y = 4/3x + 5 (m = 4/3)

  y = -3/4x + 1 (m = -3/4)

• Parallel

  y = -3/4x + 5 (m = -3/4%

  y = -3/4x + 1 (m = -3/4)

• Perpendicular

  y = -4/3x + 5 (m = -4/3)

  y = 3/4x + 1 (m = 3/4)

• Neither

  y = 4X + 15 (m = 4)

  y = 9x + 12 (m = 9)

Write an equation passing through the point that is PARALLEL to the given equation using the given point.

Mathematical Equivalence

ON

Write an equation passing through the point that is PERPENDICULAR to the given equation using the given point.

Mathematical Equivalence

ON