Writing Equations of Lines Given 2 Points

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

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the equation of the line that goes through the points (2, 9) and (3, 1) ?

• y= 8x - 5

• y= -8x + 25

• y= (1/8)x - 2

• y= (-1/8)x + 1

Which equation has a line that would pass through both (8, 5) and (9, −1) ?

• y = 6x + 53

• y = −6x - 53

• y = (−4/5)x + 53

• y = −6x + 53

Write the linear equation that is solved by both (−6, 2) and (0, 4):

• y = (1/3)x + 4

• y = (-1/3)x + 4

• y = -3x + 4

• y = 3x + 4

Which of the linear equations below is solved by both (−9, 11) and (−2, 4) ?

• y = (−2/9)x + 11

• y = x - 2

• y = −x + 2

• y = −11x + 2/9

Write the equation of the line that passes through the points (-2, -1) and (0, 5).

• y = 3x - 5
• y = 1/3x + 5
• y = 3x + 5
• y = 1/3x

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

Write the slope-intercept form of the equation of each line.

Write the slope-intercept form of the equation of each line.

What does 'b" represent in
y = mx + b

• y-intercept
• x-intercept
• nothing
• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3