Writing Equations of Lines

Given that the slope is  -4 and the y intercept is -4 what is the equation of the line?

• y = 4x - 4
• y = -4x - 4
• y = -4
• y = -4x + 4

Identify the slope and y intercept in the equation of the line: y = -1/3x + 1

• Slope: 1/3
  y-intercept: 1
• Slope: 1/3
  y-intercept: -1
• Slope: -1/3
  y-intercept: 1
• Slope: -1/3
  y-intercept: 0

 Identify the slope-intercept equation:

• y = 2x - 2
• y = -2x + 2
• y = -2x + 4
• y = 2x + 4

Write the equation of the line with slope 4 through the point (-2, 5).

• y = 4x - 13
• y = 4x + 13
• y = 4x - 3
• y = 4x + 3

Write the equation of the line with slope -2 through the point (7, -1).

• y = -2x + 15
• y = -2x -15
• y = -2x + 13
• y = -2x - 13

Write the equation of the line with slope 3/5 through the point (20, 6).

• y = 3/5x - 6
• y = 3/5x +18
• y = 3/5x - 18
• y = 3/5x +6

Write the equation of the line through the points (-6, -19) and (2, 5).

• y = -7/2x + 12
• y = 3x + 11
• y = -7/2x - 40
• y = 3x - 1

Write the equation of the line through the points (4, 5) and (12, 9).

• y = 2x - 3
• y = 1/2x + 3
• y = 1/2x +7
• y = 2x - 15

Which of the following is the slope-intercept form?

• m = (y₂ - y₁)/(x₂ - x₁)

• y = mx + b

• y - y₁ = m(x - x₁)

• ax + by = c

What is the equation of this line?

• 0
• undefined 
• y = -2
• x = -2