Writing Linear Equations

Which of the following is an equation of the line containing the points (0,8) and (2,7)?

• y = 1/2 x + 12

• y = -1/2 x + 8

• y = 1/2 x +6

• y = -1/2 x +12

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

The table shows the relationship between x and y. Which equation describes this relationship?

• y = -3x - 5

• y= -3x + 5

• y = -5x - 3

• y = 5x + 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

The table shows the relationship between x and y. Which equation describes this relationship?

• y = 3/4x + 2

• y= -1/4x + 2

• y = 3/4x - 2

• y = -1/4x - 2

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

Which equation can be used to describe in the relationship between x and y shown in the graph?

• y = -2/3 x -1

• y = 3/2 x + 1

• y = 2/3 x + 1

• y = -3/2 x + 1

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.3

Which equation can be used to describe in the relationship between x and y shown in the graph?

• y = -3/4 x + 4

• y = 4/3 x + 1

• y = 4/3 x - 1/3

• y = -3/4 x + 3

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.2

CCSS.8.SP.A.3

A photographer takes x digital pictures for a wedding. The cost y for an order of x pictures is shown in the table. Which equation represents the data?

• y = 6x

• y = 1/6 x

• y = 6x + 250

• y = 1/6 x + 400

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

The height y of a balloon, in feet, after x seconds is shown in the table. Which equation represents the relationship between x and y?

• y = 8x + 6

• y = 8x + 6

• y = 6x + 8

• y = 6x + 40

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

The linear fucntion on the graph below shows the relationship between two quantities, x and y. Which linear equation models the relationship shown on the graph?

• y = 2x

• y = x + 2

• y = 2x + 1

• y = 0.5x + 2

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.2

CCSS.8.SP.A.3

The table shows the total amount Jill would pay to belong to a gym for several months. Which linear equation models the relationship shown in the table?

• y = 25x

• y = 5x + 10

• y = 10x + 25

• y = 25x + 10

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.3

The linear function on the graph below shows the relationship between two quantities, x and y. Which linear equation models the relationship shown on the graph?

• y= 2x + 3

• y = 2x + 1

• y = 3/4 x +2

• y = 4/3 x + 2

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4