Equations of Lines

Write the slope-intercept form of the equation shown in the graph.

• y = -2/3x + 4

• y = 2/3x + 4

• y = 3/2x + 4

• y = -3/2x + 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

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Determine the slope and y-intercept from the following equation: 4x + y = -10

• slope: 4 y-intercept: (0,10)

• slope: -4 y-intercept: (0,-10)

• slope: -4 y-intercept: (0,10)

• slope: 4 y-intercept: (0,-10)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.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 through the points (−6, −19) and (2, 5).

• y = −7/2x + 12

• y = 3x + 11

• y = −7/2x − 40

• y = 3x − 1

Which of these lines has a slope of -3?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

How do we find the slope?

• run over rise

• up over down

• rise over beginning

• rise over run

Tags

CCSS.8.EE.B.5

Solve the system of equations.
y = 4x+1
3x + 2y = 13

• (1, 5)

• (5, 1)

• (0.25, 2)

• ∅

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• 1/2

• 3

• x

• f(x)

Tags

CCSS.HSF-IF.C.7E

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2

• -1/2

• 2

• -2

Tags

CCSS.8.EE.B.5