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What is the equation for the line that passes through the points (4,2) and (0,6)?

• y = x + 6
• y = -2x + 2
• y = -x - 6
• y = -x + 6

Write the equation of the line that passes through the point (1, -1) and has a slope of -4.

• y = -4x + 3

• y = -4x - 3

• y = -4x + 5

• y = -4x - 5

What is an equation for the line that passes through the coordinates (-1,2) and (7,6)  ?

• y = (1/2)x + 2.5
• y = (1/2)x - 5
• y = 3x + 4
• y = -3x + 4

Paul the plumber charges $25 for a service call.  He then charges $100 an hour.  Write a linear equation to model this situation.

• y = 100x
• y = 25x
• y = 25x + 100
• y = 100x + 25

Write the equation of a line PARALLEL to y = 2x + 3 that passes through the point (3, 1).

Write an equation for the line parallel to y = -2x + 2 that passes through (-1, -1).

• y = -2x - 1

• y = -2x + 1

• y = -2x - 3

• y = -2x + 3

Write an equation of a line PERPENDICULAR to

y = 2x + 3 through (-2, 4)

What type of line is the equation x = 8 ?

• vertical

• horizontal

• neither

What type of line is the equation y = 10 ?

• vertical

• horizontal

• neither